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Which tense does the sentence use? Mona will print her name with care.
[ "present tense", "future tense", "past tense" ]
1
closed choice
grade2
language science
verbs
Verb tense
Is the sentence in the past, present, or future tense?
Present tense verbs tell you about something that is happening now. Most present-tense verbs are regular. They have no ending, or they end in -s or -es. Two verbs are irregular in the present tense, to be and to have. You must remember their forms. Past tense verbs tell you about something that has already happened. Mo...
The sentence is in future tense. You can tell because it uses will before the main verb, print. The verb tells you about something that is going to happen.
Complete the sentence. Sewing an apron is a ().
[ "chemical change", "physical change" ]
1
closed choice
grade4
natural science
chemistry
Physical and chemical change
Identify physical and chemical changes
Chemical changes and physical changes are two common ways matter can change. In a chemical change, the type of matter changes. The types of matter before and after a chemical change are always different. Burning a piece of paper is a chemical change. When paper gets hot enough, it reacts with oxygen in the air and burn...
Sewing an apron is a physical change. The fabric and thread that make up the apron get a new shape, but the type of matter in each of them does not change.
Which of the following contains a vague pronoun reference?
[ "Steven's brother Jim wondered whether he ran fast enough to qualify for the Boston Marathon.", "Steven's brother Jim wondered whether Steven ran fast enough to qualify for the Boston Marathon." ]
0
closed choice
grade11
language science
writing-strategies
Pronouns
Identify vague pronoun references
When writing, make sure to avoid vague pronoun references. A vague pronoun reference occurs when a pronoun could refer to more than one possible antecedent. When Lisa and Kim finally landed, she breathed a sigh of relief. The pronoun she could refer to either Lisa or Kim, so the meaning of the sentence is unclear. Vagu...
The first answer choice contains a vague pronoun reference. The pronoun he could refer to Steven or Jim. The second answer choice shows a possible correction for the vague pronoun reference. He has been replaced with Steven. Steven's brother Jim wondered whether Steven ran fast enough to qualify for the Boston Marathon...
What do these two changes have in common? tearing a piece of paper breaking a piece of glass
[ "Both are only physical changes.", "Both are chemical changes.", "Both are caused by cooling.", "Both are caused by heating." ]
0
closed choice
grade4
natural science
chemistry
Physical and chemical change
Compare physical and chemical changes
Chemical changes and physical changes are two common ways matter can change. In a chemical change, the type of matter changes. The types of matter before and after a chemical change are always different. Some chemical changes are caused by heating or cooling. For example, burning a piece of paper is a chemical change c...
Step 1: Think about each change. Tearing a piece of paper is a physical change. The paper tears into pieces. But each piece is still made of paper. Breaking a piece of glass is a physical change. The glass gets broken into pieces. But each piece is still made of the same type of matter. Step 2: Look at each answer choi...
What is the volume of a large soup pot?
[ "7 liters", "7 milliliters" ]
0
Select the better estimate.
closed choice
grade5
natural science
units-and-measurement
Units and measurement
Choose metric units of volume
Measurements are written with both a number and a unit. The unit comes after the number. The unit shows what the number means. Volume is a measurement of how much space something takes up. There are many different units of volume. When you are using metric units, volume may be written in units of milliliters or liters....
The better estimate for the volume of a large soup pot is 7 liters. 7 milliliters is too little.
Read the following excerpt from a student essay. How can the writer best improve his or her word choice? When I said that I wanted to take a cooking class, I didn't know what I was getting into. I love cooking, but I'm very shy and hate being in the spotlight. The first time the teacher asked me to do a culinary techni...
[ "by adding technical terms", "by using more precise verbs", "by using words with more appropriate connotations" ]
1
closed choice
grade11
language science
writing-strategies
Editing and revising
Suggest appropriate revisions
During peer review, you read and respond to a fellow student's writing. While there are many methods and strategies that you can use for reviewing a text, it is generally helpful to frame your suggestions in concrete and constructive ways and to consider the following areas for revision: Ideas and development: Does the...
The writer could best improve his or her word choice by using more precise verbs. For example, the writer could replace the underlined words with verbs such as announced, realize, adore, abhor, demonstrate, gripped, clanged, retrieved, deposited, selected, and sliced. When I said that I wanted to take a cooking class, ...
What information supports the conclusion that Logan inherited this trait?
[ "Logan's mother has blue eyes. She passed this trait down to Logan.", "Logan likes to wear a blue sweater to match his blue eyes." ]
0
Read the description of a trait. Logan has blue eyes.
closed choice
grade4
natural science
biology
Traits and heredity
Inherited and acquired traits: use evidence to support a statement
Organisms, including people, have both inherited and acquired traits. Inherited and acquired traits are gained in different ways. Inherited traits are passed down through families. Children gain these traits from their parents. Inherited traits do not need to be learned. Acquired traits are gained during a person's lif...
Is the following trait inherited or acquired? Katy plays soccer.
[ "inherited", "acquired" ]
1
Hint: Playing soccer takes practice.
closed choice
grade3
natural science
biology
Heredity
Identify inherited and acquired traits
Organisms, including people, have both inherited and acquired traits. Inherited and acquired traits are gained in different ways. Inherited traits are passed down through families. Children gain these traits from their parents. Inherited traits do not need to be learned. Acquired traits are gained during a person's lif...
People are not born knowing how to play soccer. Instead, some people learn how to play soccer. Playing the sport takes practice. So, playing soccer is an acquired trait.
Based on this information, what is Holly's phenotype for the whisker type trait?
[ "straight whiskers", "curved whiskers" ]
0
In a group of Syrian hamsters, some individuals have straight whiskers and others have curved whiskers. In this group, the gene for the whisker type trait has two alleles. The allele for curved whiskers (h) is recessive to the allele for straight whiskers (H). Holly is a Syrian hamster from this group. Holly has the he...
closed choice
grade8
natural science
biology
Genes to traits
Genetics vocabulary: dominant and recessive
All organisms have pieces of hereditary material called genes, which are passed from parents to offspring. Genes contain instructions for building the parts of an organism. An organism's genes affect its observable traits, including its appearance, its behavior, and which diseases it may have. Genes may have different ...
You need to determine Holly's phenotype for the whisker type trait. First, consider the alleles in Holly's genotype for the whisker type gene. Then, decide whether these alleles are dominant or recessive. The allele for curved whiskers (h) is recessive to the allele for straight whiskers (H). This means H is a dominant...
Select the solid.
[ "rain", "water in a fishbowl", "hammer" ]
2
closed choice
grade2
natural science
physics
States of matter
Identify solids and liquids
Solid and liquid are states of matter. Matter is anything that takes up space. Matter can come in different states, or forms. When matter is a solid, it has a shape of its own. Some solids can be bent or broken easily. Others are hard to bend or break. A glass cup is a solid. A sock is also a solid. When matter is a li...
Which figure of speech is used in this text? Hunter remarked that the new book on anti-gravity was impossible to put down.
[ "alliteration", "pun" ]
1
closed choice
grade9
language science
figurative-language
Literary devices
Classify figures of speech: review
Figures of speech are words or phrases that use language in a nonliteral or unusual way. They can make writing more expressive. Alliteration is the repetition of sounds at the beginning of nearby words. What a lucky little lady you are! An allusion is a brief reference to something or someone well known, often from his...
The text uses a pun, a word or phrase that humorously suggests more than one meaning. Impossible to put down means that the book is so good that it is hard to stop reading. The phrase impossible to put down is also a joke about anti-gravity: if gravity pulls things down, perhaps anti-gravity does the opposite and makes...
What information supports the conclusion that Aaron acquired this trait?
[ "Aaron is most interested in plant biology.", "Aaron learned biology by doing experiments." ]
1
Read the description of a trait. Aaron knows a lot about biology.
closed choice
grade3
natural science
biology
Heredity
Inherited and acquired traits: use evidence to support a statement
Organisms, including people, have both inherited and acquired traits. Inherited and acquired traits are gained in different ways. Inherited traits are passed down through families. Children gain these traits from their parents. Inherited traits do not need to be learned. Acquired traits are gained during a person's lif...
How long is a guitar?
[ "1 centimeter", "1 meter", "1 kilometer", "1 millimeter" ]
1
Select the best estimate.
closed choice
grade7
natural science
units-and-measurement
Units and measurement
Choose metric units of distance, mass, and volume
Measurements are written with both a number and a unit. The unit comes after the number. The unit shows what the number means. When you are using metric units, length can be written with units of millimeters, centimeters, meters, or kilometers. One meter contains 100 centimeters or 1,000 millimeters. So, 1 meter is lar...
The best estimate for the length of a guitar is 1 meter. 1 millimeter and 1 centimeter are too short. 1 kilometer is too long.
Select the living thing.
[ "teddy bear", "amoebae", "van", "kite" ]
1
closed choice
grade4
natural science
biology
Classification
Identify living and nonliving things
All living things are made up of cells. Plants, animals, and some fungi have many cells. Other living things are made up of just one cell. All living things need food and water. Water helps living things break down food and remove waste. Food gives living things energy. They use energy from food to grow and change. All...
A teddy bear is not a living thing. Teddy bears do not have all of the traits of living things. They do not grow or respond to their environment. They do not need food or water. A kite is not a living thing. A kite does not have all the traits of a living thing. It moves fast in the wind, but it does not grow. It does ...
Which organ controls the function of other body organs?
[ "skeleton", "lungs", "heart", "brain" ]
3
closed choice
grade5
natural science
biology
Animals
Human organs and their functions
Which object has more thermal energy?
[ "a cherry pie at a temperature of 90°F", "a cherry pie at a temperature of 85°F" ]
0
The objects are identical except for their temperatures.
closed choice
grade3
natural science
physics
Heat and thermal energy
How is temperature related to thermal energy?
All solids, liquids, and gases are made of matter. Matter is made up of tiny particles that are always moving. The energy from the motion of these particles is called thermal energy. Temperature measures how hot or cold matter is. If the particles in matter move faster, the temperature goes up. The matter now has both ...
The two cherry pies have the same mass but different temperatures. Since the 90°F pie is hotter than the 85°F pie, it has more thermal energy.
Is the following trait inherited or acquired? Bobby has a scar on his left leg.
[ "inherited", "acquired" ]
1
Hint: Most scars are caused by accidents during a person's life.
closed choice
grade3
natural science
biology
Heredity
Identify inherited and acquired traits
Organisms, including people, have both inherited and acquired traits. Inherited and acquired traits are gained in different ways. Inherited traits are passed down through families. Children gain these traits from their parents. Inherited traits do not need to be learned. Acquired traits are gained during a person's lif...
Children do not inherit their parent's scars. Instead, scars are caused by the environment. People can get scars after they get hurt. So, having a scar is an acquired trait.
Which word would you find on a dictionary page with the following guide words? file - four
[ "flea", "fatigue" ]
0
closed choice
grade4
language science
reference-skills
Reference skills
Use guide words
Guide words appear on each page of a dictionary. They tell you the first word and last word on the page. The other words on the page come between the guide words in alphabetical order. To put words in alphabetical order, put them in order by their first letters. If the first letters are the same, look at the second let...
Put the words in alphabetical order. Since flea is between the guide words file - four, it would be found on that page.
Using only these supplies, which question can Jeremiah investigate with an experiment?
[ "Is the pet lizard more active when its tank is heated with one heating lamp or with two heating lamps?", "Is the pet lizard more active when it is fed insects or lettuce?", "Is the pet lizard more active when it is fed crickets or mealworms?" ]
2
Jeremiah has a pet lizard. Jeremiah notices that on some days, the lizard is active and runs around the tank. On other days, the lizard hardly moves at all. Jeremiah wonders what factors affect how active his lizard is. So, he decides to design an experiment. He has the following supplies available: one pet lizard live...
closed choice
grade8
natural science
science-and-engineering-practices
Designing experiments
Identify questions that can be investigated with a set of materials
Experiments can be designed to answer specific questions. When designing an experiment, you must identify the supplies that are necessary to answer your question. In order to do this, you need to figure out what will be tested and what will be measured during the experiment. Imagine that you are wondering if plants gro...
Based on this information, what is Bambi's genotype for the coat color gene?
[ "a black coat", "LL" ]
1
In a group of cows, some individuals have a black coat and others have a red coat. In this group, the gene for the coat color trait has two alleles. The allele L is for a black coat, and the allele l is for a red coat. Bambi, a cow from this group, has a black coat. Bambi has two alleles for a black coat.
closed choice
grade7
natural science
biology
Genes to traits
Genetics vocabulary: genotype and phenotype
All organisms have pieces of hereditary material called genes, which are passed from parents to offspring. Genes contain instructions for building the parts of an organism. An organism's genes affect its observable traits, including its appearance, its behavior, and which diseases it may have. Genes may have different ...
An organism's genotype for a gene is its combination of alleles for that gene. Bambi has two alleles for a black coat (L). So, Bambi's genotype for the coat color gene is LL.
Would you find the word oasis on a dictionary page with the following guide words? orange - ought
[ "no", "yes" ]
0
yes or no
grade2
language science
reference-skills
Reference skills
Use guide words
Guide words appear on each page of a dictionary. They tell you the first word and last word on the page. The other words on the page come between the guide words in alphabetical order. To put words in alphabetical order, put them in order by their first letters. If the first letters are the same, look at the second let...
Put the words in alphabetical order. Since oasis is not between the guide words orange - ought, it would not be found on that page.
Which word does not rhyme?
[ "bike", "hike", "fine" ]
2
closed choice
grade2
language science
phonological-awareness
Rhyming
Which word does not rhyme?
Rhyming words are words that end with the same sound. The words tip and slip rhyme. They both end with the same sound. The words meet and treat also rhyme. They both end with the same sound, even though the sound has two different spellings. The words tip and meet don't rhyme. They end with different sounds.
The words hike and bike rhyme. They both end with the ike sound. The word fine does not rhyme. It ends with a different sound.
Which is a compound sentence?
[ "Last night we heard an owl outside in the oak tree.", "I ate all of my dinner, so I can have some pie." ]
1
closed choice
grade3
language science
grammar
Sentences, fragments, and run-ons
Is the sentence simple or compound?
A simple sentence is a sentence with only one subject and predicate. The pitcher threw the ball to first base. A compound sentence is two simple sentences joined by a comma and a conjunction such as and, but, or, or so. The pitcher threw the ball, and the batter hit it. Some simple sentences have a compound subject or ...
The first sentence is the compound sentence. It is made up of two simple sentences joined by a comma and the conjunction so. I ate all of my dinner, so I can have some pie.
Is this a run-on sentence? If you have a hankering for a delicious bowl of soup, you should try Mr. Montoya's smoked French onion soup made with Vidalia onions, smoked Gruyère cheese, and fresh thyme.
[ "no", "yes" ]
0
yes or no
grade12
language science
writing-strategies
Sentences, fragments, and run-ons
Identify run-on sentences
A sentence is a group of words that expresses a complete thought. The band I'm in has been rehearsing daily because we have a concert in two weeks. A run-on sentence is formed when two sentences are run together, joined by just a comma or by no punctuation at all. If only a comma is used, the run-on is called a comma s...
This is not a run-on sentence. It is not formed from two sentences that have been run together without appropriate punctuation. If you have a hankering for a delicious bowl of soup, you should try Mr. Montoya's smoked French onion soup made with Vidalia onions, smoked Gruyère cheese, and fresh thyme.
Last year, there were seven men's clothing stores on Main Street in Springtown. This year, there are only three. What probably happened to the overall supply of men's shirts in Springtown?
[ "The supply probably went up.", "The supply probably went down." ]
1
closed choice
grade8
social science
economics
Supply and demand
Understand overall supply and demand
Overall supply is the total amount of a good or service that producers make and sell. There are several things that can make overall supply go up or down. The table below shows how changes to these things might affect overall supply. | Resources | Number of producers or suppliers | Expected change in demand Supply goe...
When four men's clothing stores closed on Main Street, the number of suppliers went down. There were fewer stores selling men's shirts. So, the supply of men's shirts probably went down.
Would you find the word forgot on a dictionary page with the following guide words? false - fro
[ "yes", "no" ]
0
yes or no
grade7
language science
reference-skills
Reference skills
Use guide words
Guide words appear on each page of a dictionary. They tell you the first word and last word on the page. The other words on the page come between the guide words in alphabetical order. To put words in alphabetical order, put them in order by their first letters. If the first letters are the same, look at the second let...
Put the words in alphabetical order. Since forgot is between the guide words false - fro, it would be found on that page.
Which sentence states a fact?
[ "The prettiest parts of the Rocky Mountains are in the state of Wyoming.", "In the United States, the Rocky Mountains stretch from New Mexico to Montana." ]
1
closed choice
grade3
language science
writing-strategies
Opinion writing
Distinguish facts from opinions
A fact is something that can be proved to be true. The month of July has more days than the month of June. This is a fact. It can be proved by looking at a calendar and counting the number of days in each month. An opinion is something that a person believes, thinks, or feels. An opinion cannot be proved true. July is ...
The second sentence states a fact. In the United States, the Rocky Mountains stretch from New Mexico to Montana. It can be proved by checking a map of the United States. The first sentence states an opinion. The prettiest parts of the Rocky Mountains are in the state of Wyoming. Prettiest shows what a person believes, ...
How long is a walk across Central Park in New York City?
[ "3 centimeters", "3 millimeters", "3 kilometers", "3 meters" ]
2
Select the best estimate.
closed choice
grade6
natural science
units-and-measurement
Units and measurement
Choose metric units of distance, mass, and volume
Measurements are written with both a number and a unit. The unit comes after the number. The unit shows what the number means. When you are using metric units, length can be written with units of millimeters, centimeters, meters, or kilometers. One meter contains 100 centimeters or 1,000 millimeters. So, 1 meter is lar...
The best estimate for the length of a walk across Central Park in New York City is 3 kilometers. 3 millimeters, 3 centimeters, and 3 meters are all too short.
Does this passage describe the weather or the climate? There was rain and sleet in Sioux Falls, South Dakota, last weekend.
[ "weather", "climate" ]
0
closed choice
grade5
natural science
earth-science
Weather and climate
What's the difference between weather and climate?
The atmosphere is the layer of air that surrounds Earth. Both weather and climate tell you about the atmosphere. Weather is what the atmosphere is like at a certain place and time. Weather can change quickly. For example, the temperature outside your house might get higher throughout the day. Climate is the pattern of ...
Read the text carefully. There was rain and sleet in Sioux Falls, South Dakota, last weekend. This passage tells you about the precipitation in Sioux Falls last weekend. It describes the atmosphere at a certain place and time. So, this passage describes the weather.
Select the temperature shown by this thermometer.
[ "45°F", "30°F", "80°F" ]
0
closed choice
grade3
natural science
units-and-measurement
Weather and climate
Read a thermometer
A thermometer is a tool that measures temperature. Temperature can be measured in degrees. The symbol for degrees is °. Some thermometers measure temperature in degrees Fahrenheit (°F). Fahrenheit is one scale used to measure temperature. This is a tube thermometer. It has a tube filled with a red liquid. There is a Fa...
Find the top of the red liquid. Now look at the scale to the right. The top of the red liquid is halfway between 40 and 50. So, the temperature is 45°F.
Which is a compound sentence?
[ "Mr. Smith peeled the tangerine and divided it into sections.", "Before the performance, Maura tied a satin sash around her waist, and Kimberly braided her hair." ]
1
closed choice
grade5
language science
grammar
Sentences, fragments, and run-ons
Is the sentence simple, compound, or complex?
A clause is a group of words that contains both a subject and a predicate. An independent clause is a complete thought. It can stand alone as a sentence. A dependent clause is not a complete thought. It cannot stand alone as a sentence. the oranges on our tree are ripe The clause can stand alone. It is independent. aft...
The first sentence is the compound sentence. It is made up of two independent clauses joined by the coordinating conjunction and. Before the performance, Maura tied a satin sash around her waist, and Kimberly braided her hair.
Based on this information, what is Squirt's phenotype for the tail spots trait?
[ "a spotted tail", "an unspotted tail" ]
0
In a group of guppies, some individuals have a spotted tail and others have an unspotted tail. In this group, the gene for the tail spots trait has two alleles. The allele for a spotted tail (I) is dominant over the allele for an unspotted tail (i). Squirt is a guppy from this group. Squirt has the heterozygous genotyp...
closed choice
grade8
natural science
biology
Genes to traits
Genetics vocabulary: dominant and recessive
All organisms have pieces of hereditary material called genes, which are passed from parents to offspring. Genes contain instructions for building the parts of an organism. An organism's genes affect its observable traits, including its appearance, its behavior, and which diseases it may have. Genes may have different ...
You need to determine Squirt's phenotype for the tail spots trait. First, consider the alleles in Squirt's genotype for the tail spots gene. Then, decide whether these alleles are dominant or recessive. The allele for a spotted tail (I) is dominant over the allele for an unspotted tail (i). This means I is a dominant a...
Select the reptile.
[ "eagle ray", "dwarf crocodile", "California newt", "harbor seal" ]
1
closed choice
grade5
natural science
biology
Classification
Identify mammals, birds, fish, reptiles, and amphibians
Reptiles have scaly, waterproof skin. Most reptiles live on land.
An eagle ray is a fish. It lives underwater. It has fins, not limbs. Rays have a different shape than many other fish. Rays are large and flat. They have wide, triangle-shaped fins that help them swim long distances. A harbor seal is a mammal. It has fur and feeds its young milk. Seals have flippers instead of arms! Th...
Would you find the word miracle on a dictionary page with the following guide words? mean - mumps
[ "no", "yes" ]
1
yes or no
grade8
language science
reference-skills
Reference skills
Use guide words
Guide words appear on each page of a dictionary. They tell you the first word and last word on the page. The other words on the page come between the guide words in alphabetical order. To put words in alphabetical order, put them in order by their first letters. If the first letters are the same, look at the second let...
Put the words in alphabetical order. Since miracle is between the guide words mean - mumps, it would be found on that page.
Which greeting is correct for a letter?
[ "Dear ms. Allen,", "Dear Ms. Allen," ]
1
closed choice
grade4
language science
punctuation
Formatting
Greetings and closings of letters
A letter starts with a greeting and ends with a closing. For each one, capitalize the first word and end with a comma. You should also capitalize proper nouns, such as Aunt Sue. Dear Aunt Sue, I'm glad you could come to my party, and thank you for the birthday gift. I could not have asked for a better one! Every time I...
The first greeting is correct: Its first word is capitalized, and it ends with a comma. Ms. Allen is capitalized because it is a proper noun.
Using only these supplies, which question can Stefan investigate with an experiment?
[ "Does vegetable oil separate faster when stirred together with vinegar or with water?", "Does vegetable oil separate faster when stirred together with cold water or with hot water?", "Does vinegar separate faster when stirred together with olive oil or with coconut oil?" ]
0
Stefan mixes oil and vinegar to make salad dressing. He notices that after a few minutes, the oil and vinegar separate. He wonders what factors affect how quickly liquids separate. So, he decides to design an experiment. He has the following supplies available: three glass bottles olive oil vegetable oil vinegar cold w...
closed choice
grade8
natural science
science-and-engineering-practices
Designing experiments
Identify questions that can be investigated with a set of materials
Experiments can be designed to answer specific questions. When designing an experiment, you must identify the supplies that are necessary to answer your question. In order to do this, you need to figure out what will be tested and what will be measured during the experiment. Imagine that you are wondering if plants gro...
Which is a simple sentence?
[ "In the early morning, I drank tea by a spice stall as the Turkish bazaar came to life.", "The gutters were full of leaves and in need of cleaning." ]
1
closed choice
grade5
language science
grammar
Sentences, fragments, and run-ons
Is the sentence simple, compound, or complex?
A clause is a group of words that contains both a subject and a predicate. An independent clause is a complete thought. It can stand alone as a sentence. A dependent clause is not a complete thought. It cannot stand alone as a sentence. the oranges on our tree are ripe The clause can stand alone. It is independent. aft...
The first sentence is the simple sentence. It is a single independent clause. The gutters were full of leaves and in need of cleaning.
Assume all other forces on Tamir are balanced. Which statement describes the forces on Tamir?
[ "The forces are balanced, so there is no net force on Tamir.", "The forces are unbalanced, so there is a net force on Tamir." ]
0
Tamir is standing on a diving board at the pool. Earth's gravity is pulling down on Tamir with a force of 400N. The diving board is pushing up on Tamir with a force of 400N.
closed choice
grade7
natural science
physics
Velocity, acceleration, and forces
Balanced and unbalanced forces
A force is a push or a pull that acts on an object. Every force has a direction and a magnitude, or strength. If two forces act on an object in opposite directions, the forces are called opposing forces. When opposing forces have the same magnitude, they are balanced. If all the forces on an object are balanced, there ...
To determine if there is a net force on Tamir, look at the forces: Earth's gravity is pulling Tamir down with a force of 400 N. The diving board is pushing Tamir up with a force of 400 N. The forces are in opposite directions, and the forces have the same magnitude: 400 N. This means that the forces are balanced, so th...
Which sentence states a fact?
[ "The giant anteater uses its sticky tongue to grab insects.", "The eating habits of the giant anteater are disgusting." ]
0
closed choice
grade4
language science
writing-strategies
Developing and supporting arguments
Distinguish facts from opinions
A fact is something that can be proved to be true. The month of July has more days than the month of June. This is a fact. It can be proved by looking at a calendar and counting the number of days in each month. An opinion is something that a person believes, thinks, or feels. An opinion cannot be proved true. July is ...
The first sentence states a fact. The giant anteater uses its sticky tongue to grab insects. It can be proved by looking up information about anteaters. The second sentence states an opinion. The eating habits of the giant anteater are disgusting. Disgusting shows what a person believes, thinks, or feels. Another perso...
Which figure of speech is used in this text? Rebecca's Bistro used to be a great place to go for a delicious and carefully prepared dinner, but nobody goes there anymore: it's too crowded.
[ "apostrophe", "paradox" ]
1
closed choice
grade11
language science
figurative-language
Literary devices
Classify the figure of speech: review
Figures of speech are words or phrases that use language in a nonliteral or unusual way. They can make writing more expressive. Anaphora is the repetition of the same word or words at the beginning of several phrases or clauses. We are united. We are powerful. We are winners. Antithesis involves contrasting opposing id...
The text uses a paradox, a statement that might at first appear to be contradictory, but that may in fact contain some truth. Nobody goes there anymore: it's too crowded at first appears to be contradictory, because if no one goes to the restaurant, then the restaurant should be empty, not crowded. However, it contains...
Complete the sentence. In this chemical reaction, glucose is a ().
[ "reactant", "product" ]
1
This passage describes a chemical reaction. Read the passage. Then, follow the instructions below. Plants make glucose, a sugar they can use for food, through a process called photosynthesis. During photosynthesis, plants use energy from sunlight to make glucose from water and carbon dioxide. In the process of making g...
closed choice
grade8
natural science
chemistry
Chemical reactions
Identify reactants and products
A chemical change occurs when new substances are formed from existing substances. This process is called a chemical reaction. In a chemical reaction, one or more substances change into one or more different substances. During the reaction, the atoms of the original substances are rearranged to form other substances. Th...
Read the underlined text carefully. Look for information about what happens to glucose in this chemical reaction. Plants make glucose, a sugar they can use for food, through a process called photosynthesis. During photosynthesis, plants use energy from sunlight to make glucose from water and carbon dioxide. In the proc...
Which figure of speech is used in this text? After spending weeks in New York City, Florence was a bit unnerved by the deafening silence of her small hometown.
[ "oxymoron", "euphemism" ]
0
closed choice
grade12
language science
figurative-language
Literary devices
Classify the figure of speech: euphemism, hyperbole, oxymoron, paradox
Figures of speech are words or phrases that use language in a nonliteral or unusual way. They can make writing more expressive. A euphemism is a polite or indirect expression that is used to de-emphasize an unpleasant topic. The head of Human Resources would never refer to firing people, only to laying them off. Hyperb...
The text uses an oxymoron, a joining of two seemingly contradictory terms. Deafening silence is a contradiction, because deafening describes something extremely loud, and silence is the absence of sound.
Complete the statement. Assume that the sled's mass did not change. The gravitational potential energy stored between the sled and Earth () as Michelle rode down the hill.
[ "stayed the same", "decreased", "increased" ]
1
Read the text about an object in motion. On a snowy day, Michelle rode her sled down a big hill.
closed choice
grade7
natural science
physics
Kinetic and potential energy
Identify changes in gravitational potential energy
Gravitational potential energy is stored between any two objects. So, for every object on or near Earth, there is gravitational potential energy stored between the object and Earth. The amount of gravitational potential energy stored between an object and Earth depends on the mass of the object. The amount of gravitati...
Think about how the distance between the sled and the center of Earth changed. The bottom of the hill was lower than the point where Michelle started sledding. As Michelle rode toward the bottom of the hill, the distance between the sled and the center of Earth decreased. So, the gravitational potential energy stored b...
Which closing is correct for a letter?
[ "your friend,\nCarla", "Your friend,\nCarla" ]
1
closed choice
grade2
language science
capitalization
Capitalization
Greetings and closings of letters
A letter starts with a greeting and ends with a closing. For each one, capitalize the first word and end with a comma. You should also capitalize proper nouns, such as Aunt Sue. Dear Aunt Sue, I'm glad you could come to my party, and thank you for the birthday gift. I could not have asked for a better one! Every time I...
The second closing is correct: Its first word is capitalized, and it ends with a comma.
Based on this information, what is Zazu's phenotype for the cheek color trait?
[ "pale orange cheeks", "bright orange cheeks" ]
1
In a group of cockatiels, some individuals have bright orange cheeks and others have pale orange cheeks. In this group, the gene for the cheek color trait has two alleles. The allele for pale orange cheeks (r) is recessive to the allele for bright orange cheeks (R). Zazu is a cockatiel from this group. Zazu has the hom...
closed choice
grade8
natural science
biology
Genes to traits
Genetics vocabulary: dominant and recessive
All organisms have pieces of hereditary material called genes, which are passed from parents to offspring. Genes contain instructions for building the parts of an organism. An organism's genes affect its observable traits, including its appearance, its behavior, and which diseases it may have. Genes may have different ...
Zazu's genotype for the cheek color gene is RR. Zazu's genotype of RR has only R allelles. The R allele is for bright orange cheeks. So, Zazu's phenotype for the cheek color trait must be bright orange cheeks. To check this answer, consider whether Zazu's alleles are dominant or recessive. The allele for pale orange ch...
Select the vertebrate.
[ "redback spider", "common octopus", "birdwing butterfly", "asp viper" ]
3
Hint: Mammals, birds, fish, reptiles, and amphibians are vertebrates.
closed choice
grade5
natural science
biology
Classification
Identify vertebrates and invertebrates
Vertebrates and invertebrates are both groups of animals. A vertebrate has a backbone. The backbone is made of many bones in an animal's back. A vertebrate's backbone helps connect the different parts of its body. In the drawings below, each vertebrate's backbone is colored orange. An invertebrate does not have a backb...
Like other octopuses, a common octopus is an invertebrate. It does not have a backbone. It has a soft body. Like other spiders, a redback spider is an invertebrate. It does not have a backbone. It has an exoskeleton. A birdwing butterfly is an insect. Like other insects, a birdwing butterfly is an invertebrate. It does...
Which tense does the sentence use? Mr. Norman signed his name on the letter.
[ "past tense", "present tense", "future tense" ]
0
closed choice
grade2
language science
verbs
Verb tense
Is the sentence in the past, present, or future tense?
Present tense verbs tell you about something that is happening now. Most present-tense verbs are regular. They have no ending, or they end in -s or -es. Two verbs are irregular in the present tense, to be and to have. You must remember their forms. Past tense verbs tell you about something that has already happened. Mo...
The sentence is in past tense. You can tell because it uses a past-tense verb, signed. The verb ends in -ed and tells you about something that has already happened.
What do these two changes have in common? a banana getting ripe on the counter newly poured concrete becoming hard
[ "Both are caused by heating.", "Both are chemical changes.", "Both are caused by cooling.", "Both are only physical changes." ]
1
closed choice
grade7
natural science
chemistry
Chemical reactions
Compare physical and chemical changes
Matter is made of very small particles called atoms. Atoms can be linked together by chemical bonds. When two or more atoms link together, they form a molecule. In a chemical change, the chemical bonds in the molecules break. The atoms then link together to form different molecules. The types of molecules in matter bef...
Step 1: Think about each change. A banana getting ripe on the counter is a chemical change. As a banana ripens, the type of matter in it changes. The peel changes color and the inside becomes softer and sweeter. Concrete hardening is a chemical change. The chemicals in the concrete react with each other to form a diffe...
Which text uses the word literally in its traditional sense?
[ "Cara adores the classic Renaissance style of the Rialto Bridge in Venice. She was surprised to learn that the bridge remains functional even though it is literally a million years old.", "Cara adores the classic Renaissance style of the Rialto Bridge in Venice. She was surprised to learn that the bridge remains ...
1
closed choice
grade10
language science
writing-strategies
Word usage and nuance
Explore words with new or contested usages
Words change in meaning when speakers begin using them in new ways. For example, the word peruse once only meant to examine in detail, but it's now also commonly used to mean to look through in a casual manner. When a word changes in meaning, its correct usage is often debated. Although a newer sense of the word may be...
The second text uses literally in its traditional sense: in a factual, non-exaggerated way. Cara adores the classic Renaissance style of the Rialto Bridge in Venice. She was surprised to learn that the bridge remains functional even though it is literally hundreds of years old. The first text uses literally in its nont...
Compare the motion of two fish. Which fish was moving at a higher speed?
[ "a fish that moved 50kilometers in 10hours", "a fish that moved 85kilometers in 10hours" ]
1
closed choice
grade2
natural science
physics
Force and motion
Compare the speeds of moving objects
An object's speed tells you how fast the object is moving. Speed depends on both distance and time. Distance tells you how far the object has moved. One unit used to measure distance is the kilometer. Time tells you how long the object has spent moving. One unit used to measure time is the hour. Think about two objects...
Look at the distance each fish moved and the time it took to move that distance. One fish moved 85 kilometers in 10 hours. The other fish moved 50 kilometers in 10 hours. Notice that each fish spent the same amount of time moving. The fish that moved 85 kilometers moved a farther distance in that time. So, that fish mu...
Which sentence is more formal?
[ "People who did not grow up playing or watching cricket often find it difficult to understand the rules of the sport.", "People who didn't grow up playing or watching cricket often can't understand the rules of the sport." ]
0
closed choice
grade7
language science
writing-strategies
Author's purpose and tone
Which sentence is more formal?
Formal writing is used for essays, business letters, and reports. The following types of informal language should be avoided in formal writing: Type | Examples slang | cool, awesome idioms | knock your socks off conversational language | gonna, kinda, yeah abbreviated language | ASAP, FYI overly simple or imprecise lan...
The first sentence is less formal. You can tell because it uses contractions (don't, can't). The second sentence does not use contractions, so it is more formal.
Would you find the word pig on a dictionary page with the following guide words? pardon - polish
[ "no", "yes" ]
1
yes or no
grade8
language science
reference-skills
Reference skills
Use guide words
Guide words appear on each page of a dictionary. They tell you the first word and last word on the page. The other words on the page come between the guide words in alphabetical order. To put words in alphabetical order, put them in order by their first letters. If the first letters are the same, look at the second let...
Put the words in alphabetical order. Since pig is between the guide words pardon - polish, it would be found on that page.
What does the verbal irony in this text suggest? "This is the best day of my life," Mr. Hogan mumbled after his car broke down on the way to an important job interview.
[ "Mr. Hogan was having a bad day.", "Mr. Hogan liked fixing cars." ]
0
closed choice
grade6
language science
figurative-language
Literary devices
Interpret figures of speech
Figures of speech are words or phrases that use language in a nonliteral or unusual way. They can make writing more expressive. Verbal irony involves saying one thing but implying something very different. People often use verbal irony when they are being sarcastic. Olivia seems thrilled that her car keeps breaking dow...
The text uses verbal irony, which involves saying one thing but implying something very different. The best day of my life ironically suggests that Mr. Hogan was having a bad day. He was having the opposite of a good day because his car broke down when he needed to be on time.
Which is a complete sentence?
[ "In summer, insects always fly around the pond.", "A bag of beans." ]
0
closed choice
grade3
language science
writing-strategies
Sentences, fragments, and run-ons
Is it a complete sentence, a fragment, or a run-on?
A sentence is a group of words that forms a complete thought. It has both a subject and a verb. My friends walk along the path. A sentence fragment is a group of words that does not express a complete thought. It is usually missing a subject or a verb. Knows the answer. This is a sentence fragment. It is missing a subj...
In summer, insects always fly around the pond is a complete sentence. The subject is insects, and the verb is fly.
Which metal paper clip has less thermal energy?
[ "the colder metal paper clip", "the hotter metal paper clip" ]
0
Two metal paper clips are identical except for their temperatures.
closed choice
grade6
natural science
physics
Thermal energy
How are temperature and mass related to thermal energy?
Matter is made of tiny particles called atoms. Atoms are always moving. The energy of moving atoms is called thermal energy. The total amount of thermal energy in matter depends on three things: the type of matter, the amount of matter, and how fast the atoms are moving. Temperature measures how hot or cold matter is. ...
The two metal paper clips are made of the same material and have the same mass. So, the colder metal paper clip has less thermal energy.
Complete the sentence so that it uses personification. "You might think you'll always be young," Mrs. Hensley counseled, "but time ()".
[ "creeps up on you", "affects everyone" ]
0
closed choice
grade8
language science
writing-strategies
Creative techniques
Use personification
Personification is giving human characteristics to nonhuman things. It is a figure of speech that can be used to make writing more interesting or to emphasize a point. The trees danced in the wind. The word danced describes the trees as if they were people. Unlike people, however, trees can't actually dance. Instead, t...
Complete the sentence with the phrase creeps up on you. It describes time as if it were a sneaky person.
Which tense does the sentence use? Scientists will measure the rainfall in Greenville.
[ "present tense", "past tense", "future tense" ]
2
closed choice
grade4
language science
verbs
Verb tense
Is the sentence in the past, present, or future tense?
Present tense verbs tell you about something that is happening now. Most present-tense verbs are regular. They have no ending, or they end in -s or -es. Two verbs are irregular in the present tense, to be and to have. You must remember their forms. Past tense verbs tell you about something that has already happened. Mo...
The sentence is in future tense. You can tell because it uses will before the main verb, measure. The verb tells you about something that is going to happen.
Which tense does the sentence use? Reba chops onions for the tomato sauce.
[ "future tense", "past tense", "present tense" ]
2
closed choice
grade4
language science
verbs
Verb tense
Is the sentence in the past, present, or future tense?
Present tense verbs tell you about something that is happening now. Most present-tense verbs are regular. They have no ending, or they end in -s or -es. Two verbs are irregular in the present tense, to be and to have. You must remember their forms. Past tense verbs tell you about something that has already happened. Mo...
The sentence is in present tense. You can tell because it uses a present-tense verb, chops. The verb ends in -s and tells you about something that is true or happening now.
What do these two changes have in common? a slice of banana turning brown grilling a hamburger
[ "Both are chemical changes.", "Both are caused by heating.", "Both are caused by cooling.", "Both are only physical changes." ]
0
closed choice
grade8
natural science
chemistry
Chemical reactions
Compare physical and chemical changes
Matter is made of very small particles called atoms. Atoms can be linked together by chemical bonds. When two or more atoms link together, they form a molecule. In a chemical change, the chemical bonds in the molecules break. The atoms then link together to form different molecules. The types of molecules in matter bef...
Step 1: Think about each change. A slice of banana turning brown is a chemical change. The part of the banana in contact with the air reacts with oxygen and turns into a different type of matter. Grilling a hamburger is a chemical change. Heat from the grill causes the matter in the meat to change. Cooked meat and raw ...
What is the volume of a bowl of soup?
[ "11 cups", "11 gallons", "11 fluid ounces" ]
2
Select the best estimate.
closed choice
grade5
natural science
units-and-measurement
Units and measurement
Choose customary units of volume
Measurements are written with both a number and a unit. The unit comes after the number. The unit shows what the number means. Volume is a measurement of how much space something takes up. There are many different units of volume. When you are using customary units, volume may be written in units of fluid ounces, cups,...
The best estimate for the volume of a bowl of soup is 11 fluid ounces. 11 cups and 11 gallons are both too much.
Which figure of speech is used in this text? "This mattress is as soft as concrete," Tyler complained as he tested the bed in his hotel room.
[ "verbal irony", "personification" ]
0
closed choice
grade7
language science
figurative-language
Literary devices
Classify figures of speech
Figures of speech are words or phrases that use language in a nonliteral or unusual way. They can make writing more expressive. Alliteration is the repetition of sounds at the beginning of nearby words. What a lucky little lady you are! An allusion is a brief reference to something or someone well known, often from his...
The text uses verbal irony, which involves saying one thing but implying something very different. As soft as concrete shows verbal irony because concrete is not soft.
Ken starts to pull the wagon across the yard. To move the wagon at the same speed each time, which friend does Ken need to pull with a larger force?
[ "a friend who weighs 32 pounds", "a friend who weighs 25 pounds" ]
0
Ken gives two friends a ride in his wagon. One friend sits in the wagon at a time.
closed choice
grade2
natural science
physics
Force and motion
How do mass and force affect motion?
A force is a push or a pull. A force can make an object start moving or stop an object that is moving. A force can also make an object speed up, slow down, or change direction. Forces can be different sizes. Think about trying to move a heavy object and a light object. Imagine you want to move them at the same speed. Y...
Look for the friend who is heavier. A friend who weighs 32 pounds is heavier than a friend who weighs 25 pounds. So, to move the wagon at the same speed each time, Ken needs to use a larger force to start moving the wagon with a friend who weighs 32 pounds.
Is a travel bag a good or a service?
[ "a good", "a service" ]
0
closed choice
grade2
social science
economics
Economics
Goods and services
Everything you can buy is either a good or a service. A good is something you can touch or hold in your hands. For example, a hammer is a good. A service is a job you pay someone else to do. For example, cooking food in a restaurant is a service.
To decide whether a travel bag is a good or a service, ask these questions: Is a travel bag something you can touch? Yes. Is a travel bag a job you might pay someone else to do? No. So, a travel bag is a good.
What does the idiom in this text suggest? "Speak of the devil!" Whitney declared when Charlie strolled into the room.
[ "Whitney had just been speaking about Charlie.", "Whitney didn't trust Charlie." ]
0
closed choice
grade7
language science
figurative-language
Literary devices
Interpret figures of speech
Figures of speech are words or phrases that use language in a nonliteral or unusual way. They can make writing more expressive. An idiom is an expression that cannot be understood literally. Its meaning must be learned. The assignment was a piece of cake.
The text uses an idiom, an expression that cannot be understood literally. The idiom speak of the devil suggests that Whitney had just been speaking about Charlie. People say this when the person they've just been speaking about coincidentally arrives, as if summoned.
Which figure of speech is used in this text? "There's nothing I love more than skipping lunch," Mr. Crawford told the flight attendant when he learned that no food would be available on his cross-country flight.
[ "allusion", "verbal irony" ]
1
closed choice
grade8
language science
figurative-language
Literary devices
Classify figures of speech
Figures of speech are words or phrases that use language in a nonliteral or unusual way. They can make writing more expressive. Alliteration is the repetition of sounds at the beginning of nearby words. What a lucky little lady you are! An allusion is a brief reference to something or someone well known, often from his...
The text uses verbal irony, which involves saying one thing but implying something very different. Nothing I love more shows verbal irony because Mr. Crawford is probably upset that there isn't anything to eat.
Last year, 50,000 people lived in the city of Belmont. But since then, 8,000 people have moved away. What probably happened to the overall supply of houses for sale in Belmont?
[ "The supply probably went up.", "The supply probably went down." ]
0
closed choice
grade3
social science
economics
Supply and demand
Understand overall supply and demand
Overall supply is the total amount of a good or service that producers make and sell. There are several things that can make overall supply go up or down. The table below shows how changes to these things might affect overall supply. | Resources | Number of producers or suppliers | Expected change in demand Supply goe...
The population of Belmont fell by 8,000 people. Many of the people who have left are probably trying to sell their houses. Since more people are trying to sell their houses, the number of suppliers of houses for sale in Belmont has gone up. So, the supply of houses for sale probably went up, too.
Is the following trait inherited or acquired? Elijah plays hockey.
[ "inherited", "acquired" ]
1
Hint: Playing hockey takes practice.
closed choice
grade4
natural science
biology
Traits and heredity
Identify inherited and acquired traits
Organisms, including people, have both inherited and acquired traits. Inherited and acquired traits are gained in different ways. Inherited traits are passed down through families. Children gain these traits from their parents. Inherited traits do not need to be learned. Acquired traits are gained during a person's lif...
People are not born knowing how to play hockey. Instead, some people learn how to play hockey. Playing the sport takes practice. So, playing hockey is an acquired trait.
Complete the sentence. In this chemical reaction, carbon dioxide is a ().
[ "product", "reactant" ]
1
This passage describes a chemical reaction. Read the passage. Then, follow the instructions below. Plants make glucose, a sugar they can use for food, through a process called photosynthesis. During photosynthesis, plants use energy from sunlight to make glucose from water and carbon dioxide. In the process of making g...
closed choice
grade7
natural science
chemistry
Chemical reactions
Identify reactants and products
A chemical change occurs when new substances are formed from existing substances. This process is called a chemical reaction. In a chemical reaction, one or more substances change into one or more different substances. During the reaction, the atoms of the original substances are rearranged to form other substances. Th...
Read the underlined text carefully. Look for information about what happens to carbon dioxide in this chemical reaction. Plants make glucose, a sugar they can use for food, through a process called photosynthesis. During photosynthesis, plants use energy from sunlight to make glucose from water and carbon dioxide. In t...
Which is a simple sentence?
[ "In the early morning, I drank tea by a spice stall as the Turkish bazaar came to life.", "Mr. Duran's afternoon lecture was about art and culture in Germany before World War II." ]
1
closed choice
grade6
language science
grammar
Sentences, fragments, and run-ons
Is the sentence simple, compound, or complex?
A clause is a group of words that contains both a subject and a predicate. An independent clause is a complete thought. It can stand alone as a sentence. A dependent clause is not a complete thought. It cannot stand alone as a sentence. the oranges on our tree are ripe The clause can stand alone. It is independent. aft...
The first sentence is the simple sentence. It is a single independent clause. Mr. Duran's afternoon lecture was about art and culture in Germany before World War II.
Is the following trait inherited or acquired? Becky can fly an airplane.
[ "acquired", "inherited" ]
0
Hint: Pilots have to learn how to fly an airplane.
closed choice
grade4
natural science
biology
Traits and heredity
Identify inherited and acquired traits
Organisms, including people, have both inherited and acquired traits. Inherited and acquired traits are gained in different ways. Inherited traits are passed down through families. Children gain these traits from their parents. Inherited traits do not need to be learned. Acquired traits are gained during a person's lif...
People are not born knowing how to fly an airplane. Instead, some people learn how to fly airplanes. So, flying an airplane is an acquired trait.
Which is a simple sentence?
[ "The audition for the part of Dracula will begin in just a few minutes.", "My assistant will distribute the report to everyone at the meeting while I make the introductions." ]
0
closed choice
grade5
language science
grammar
Sentences, fragments, and run-ons
Is the sentence simple, compound, or complex?
A clause is a group of words that contains both a subject and a predicate. An independent clause is a complete thought. It can stand alone as a sentence. A dependent clause is not a complete thought. It cannot stand alone as a sentence. the oranges on our tree are ripe The clause can stand alone. It is independent. aft...
The first sentence is the simple sentence. It is a single independent clause. The audition for the part of Dracula will begin in just a few minutes.
How long is a sandbox?
[ "2 centimeters", "2 meters" ]
1
Select the better estimate.
closed choice
grade3
natural science
units-and-measurement
Units and measurement
Choose metric units of distance
Measurements are written with both a number and a unit. The unit comes after the number. The unit shows what the number means. Imagine being told that a pencil is 16 long. You might be thinking, 16 what? Is the pencil 16 centimeters long? 16 meters? 16 kilometers? The number 16 on its own does not give you much informa...
The better estimate for the length of a sandbox is 2 meters. 2 centimeters is too short.
Would you find the word scoop on a dictionary page with the following guide words? seam - sheriff
[ "yes", "no" ]
1
yes or no
grade7
language science
reference-skills
Reference skills
Use guide words
Guide words appear on each page of a dictionary. They tell you the first word and last word on the page. The other words on the page come between the guide words in alphabetical order. To put words in alphabetical order, put them in order by their first letters. If the first letters are the same, look at the second let...
Put the words in alphabetical order. Since scoop is not between the guide words seam - sheriff, it would not be found on that page.
What information supports the conclusion that Ryan acquired this trait?
[ "Ryan learned how to build a fire at summer camp.", "Ryan can cook food over a fire." ]
0
Read the description of a trait. Ryan knows how to build a fire.
closed choice
grade6
natural science
biology
Genes to traits
Inherited and acquired traits: use evidence to support a statement
Organisms, including people, have both inherited and acquired traits. Inherited and acquired traits are gained in different ways. Inherited traits are passed down from biological parents to their offspring through genes. Genes are pieces of hereditary material that contain the instructions that affect inherited traits....
Which correctly shows the title of a book?
[ "\"Harold and the Purple Crayon\"", "***Harold and the Purple Crayon***" ]
1
closed choice
grade3
language science
punctuation
Formatting
Formatting titles
The title of a book, movie, play, TV show, magazine, or newspaper should be in italics. If you write it by hand, it can be underlined instead. A Midsummer Night's Dream The title of a poem, song, or article should be in quotation marks. "You Are My Sunshine"
A book should be in italics. The correct title is **Harold and the Purple Crayon**.
Which word would you find on a dictionary page with the following guide words? patient - private
[ "pit", "public" ]
0
closed choice
grade3
language science
reference-skills
Reference skills
Use guide words
Guide words appear on each page of a dictionary. They tell you the first word and last word on the page. The other words on the page come between the guide words in alphabetical order. To put words in alphabetical order, put them in order by their first letters. If the first letters are the same, look at the second let...
Put the words in alphabetical order. Since pit is between the guide words patient - private, it would be found on that page.
Which correctly shows the title of a book?
[ "\"Bugs in My Hair\"", "***Bugs in My Hair***" ]
1
closed choice
grade9
language science
punctuation
Formatting
Formatting titles
The title of a book, movie, play, TV show, magazine, or newspaper should be in italics. If you write it by hand, it can be underlined instead. A Midsummer Night's Dream The title of a poem, song, article, or short story should be in quotation marks. "You Are My Sunshine"
A book should be in italics. The correct title is **Bugs in My Hair**.
What is the mass of an elephant?
[ "4,295 grams", "4,295 kilograms" ]
1
Select the better estimate.
closed choice
grade4
natural science
units-and-measurement
Units and measurement
Choose metric units of mass
Measurements are written with both a number and a unit. The unit comes after the number. The unit shows what the number means. Mass is a measurement of how much matter something contains. There are many different units of mass. When you are using metric units, mass may be written with units of grams or kilograms. There...
The better estimate for the mass of an elephant is 4,295 kilograms. 4,295 grams is too light.
Which is smoother?
[ "concrete sidewalk", "silk necktie" ]
1
closed choice
grade2
natural science
physics
Materials
Compare properties of materials
Every object is made of one or more materials. A material is a type of matter. Wood, glass, metal, and plastic are common materials. A material has different properties. A material's properties tell you how it looks, feels, tastes, or smells.
Smooth is a property. A smooth material is not rough or bumpy. Look at each picture, one at a time. Imagine touching the material shown in each picture. Of the choices, the silk necktie is smoother. If you touch silk fabric, it will not feel rough.
Which tense does the sentence use? Scientists will measure the rainfall in Lancaster.
[ "past tense", "future tense", "present tense" ]
1
closed choice
grade5
language science
verbs
Verb tense
Is the sentence in the past, present, or future tense?
Present tense verbs tell you about something that is happening now. Most present-tense verbs are regular. They have no ending, or they end in -s or -es. Two verbs are irregular in the present tense, to be and to have. You must remember their forms. Past tense verbs tell you about something that has already happened. Mo...
The sentence is in future tense. You can tell because it uses will before the main verb, measure. The verb tells you about something that is going to happen.
Use the evidence in the text to select the photosynthetic organism.
[ "Mossy frogs get the energy they need to live by eating insects. The frogs capture insects with their tongues.", "Sphagnum mosses get the energy they need to live from sugars. The mosses make these sugars from carbon dioxide and water." ]
1
closed choice
grade7
natural science
biology
Photosynthesis
Identify the photosynthetic organism
Organisms that carry out photosynthesis are called photosynthetic organisms. During photosynthesis, these organisms use light energy, carbon dioxide, and water to produce sugars and oxygen. Photosynthetic organisms also often have the following characteristics: They are producers, which are organisms that make their ow...
This organism is photosynthetic: The text tells you that Sphagnum mosses get energy from the sugars they make using carbon dioxide and water. This is evidence that the Sphagnum moss is a photosynthetic organism. This organism is not photosynthetic: The text does not provide evidence that the mossy frog is photosyntheti...
How long is a pen?
[ "20 kilometers", "20 centimeters" ]
1
Select the better estimate.
closed choice
grade3
natural science
units-and-measurement
Units and measurement
Choose metric units of distance
Measurements are written with both a number and a unit. The unit comes after the number. The unit shows what the number means. Imagine being told that a pencil is 16 long. You might be thinking, 16 what? Is the pencil 16 centimeters long? 16 meters? 16 kilometers? The number 16 on its own does not give you much informa...
The better estimate for the length of a pen is 20 centimeters. 20 kilometers is too long.
What kind of sentence is this? I write for the school newspaper.
[ "interrogative", "declarative" ]
1
closed choice
grade4
language science
punctuation
Sentences, fragments, and run-ons
Is the sentence declarative, interrogative, imperative, or exclamatory?
There are four kinds of sentences. A declarative sentence is a statement. It tells about something. A declarative sentence always ends with a period. I have an older brother and a younger sister. An interrogative sentence is a question. It asks something. An interrogative sentence always ends with a question mark. How ...
The sentence tells about something, and it ends with a period. It is a declarative sentence.
What is the volume of a paper drinking cup?
[ "185 liters", "185 milliliters" ]
1
Select the better estimate.
closed choice
grade5
natural science
units-and-measurement
Units and measurement
Choose metric units of volume
Measurements are written with both a number and a unit. The unit comes after the number. The unit shows what the number means. Volume is a measurement of how much space something takes up. There are many different units of volume. When you are using metric units, volume may be written in units of milliliters or liters....
The better estimate for the volume of a paper drinking cup is 185 milliliters. 185 liters is too much.
What information supports the conclusion that Harry inherited this trait?
[ "Harry's biological mother has long hair. Harry also has long hair.", "Harry's biological parents have wavy hair.", "Harry uses a headband to keep his wavy hair out of his face." ]
1
Read the description of a trait. Harry has wavy hair.
closed choice
grade7
natural science
biology
Genes to traits
Inherited and acquired traits: use evidence to support a statement
Organisms, including people, have both inherited and acquired traits. Inherited and acquired traits are gained in different ways. Inherited traits are passed down from biological parents to their offspring through genes. Genes are pieces of hereditary material that contain the instructions that affect inherited traits....
Which drop of dish soap has a lower temperature?
[ "the drop of dish soap with more thermal energy", "the drop of dish soap with less thermal energy" ]
1
Two drops of dish soap are identical except for their thermal energies.
closed choice
grade6
natural science
physics
Thermal energy
How are temperature and mass related to thermal energy?
Matter is made of tiny particles called atoms. Atoms are always moving. The energy of moving atoms is called thermal energy. The total amount of thermal energy in matter depends on three things: the type of matter, the amount of matter, and how fast the atoms are moving. Temperature measures how hot or cold matter is. ...
The two drops of dish soap are made of the same material and have the same mass. So, the drop of dish soap with less thermal energy has a lower temperature.
Which word would you find on a dictionary page with the following guide words? scribble - spade
[ "sleepy", "sweat" ]
0
closed choice
grade4
language science
reference-skills
Reference skills
Use guide words
Guide words appear on each page of a dictionary. They tell you the first word and last word on the page. The other words on the page come between the guide words in alphabetical order. To put words in alphabetical order, put them in order by their first letters. If the first letters are the same, look at the second let...
Put the words in alphabetical order. Since sleepy is between the guide words scribble - spade, it would be found on that page.
Which is a run-on sentence?
[ "The event was exciting it had music, a show and food.", "Tina will ride her bike this weekend." ]
0
closed choice
grade3
language science
writing-strategies
Sentences, fragments, and run-ons
Is it a complete sentence, a fragment, or a run-on?
A sentence is a group of words that forms a complete thought. It has both a subject and a verb. My friends walk along the path. A sentence fragment is a group of words that does not express a complete thought. It is usually missing a subject or a verb. Knows the answer. This is a sentence fragment. It is missing a subj...
The event was exciting it had music, a show and food is a run-on sentence. It has two sentences that are joined without end punctuation: The event was exciting and It had music, a show and food.
Which figure of speech is used in this text? The moon is a friend for the lonesome to talk with. —Carl Sandburg, "Moonlight and Maggots"
[ "personification", "simile" ]
0
closed choice
grade10
language science
figurative-language
Literary devices
Classify figures of speech: review
Figures of speech are words or phrases that use language in a nonliteral or unusual way. They can make writing more expressive. Alliteration is the repetition of sounds at the beginning of nearby words. What a lucky little lady you are! An allusion is a brief reference to something or someone well known, often from his...
The text uses personification, giving human characteristics to nonhuman things. The moon is a friend describes the moon as if it were human.
Compare the motion of two motorboats. Which motorboat was moving at a higher speed?
[ "a motorboat that moved 135miles in 10hours", "a motorboat that moved 240miles in 10hours" ]
1
closed choice
grade2
natural science
physics
Force and motion
Compare the speeds of moving objects
An object's speed tells you how fast the object is moving. Speed depends on both distance and time. Distance tells you how far the object has moved. One unit used to measure distance is the mile. Time tells you how long the object has spent moving. One unit used to measure time is the hour. Think about two objects movi...
Look at the distance each motorboat moved and the time it took to move that distance. One motorboat moved 240 miles in 10 hours. The other motorboat moved 135 miles in 10 hours. Notice that each motorboat spent the same amount of time moving. The motorboat that moved 240 miles moved a farther distance in that time. So,...
Which word would you find on a dictionary page with the following guide words? papoose - pliers
[ "pedal", "purple" ]
0
closed choice
grade4
language science
reference-skills
Reference skills
Use guide words
Guide words appear on each page of a dictionary. They tell you the first word and last word on the page. The other words on the page come between the guide words in alphabetical order. To put words in alphabetical order, put them in order by their first letters. If the first letters are the same, look at the second let...
Put the words in alphabetical order. Since pedal is between the guide words papoose - pliers, it would be found on that page.
Which sentence is more formal?
[ "Dr. Alexander and her team traveled by horseback to a remote village that had no modern medical services.", "Dr. Alexander and her team took horses and went to a place that had no modern medical services." ]
0
closed choice
grade8
language science
writing-strategies
Author's purpose and tone
Which sentence is more formal?
Formal writing is used for essays, business letters, and reports. The following types of informal language should be avoided in formal writing: Type | Examples slang | cool, awesome idioms | knock your socks off conversational language | gonna, kinda, yeah abbreviated language | ASAP, FYI overly simple or imprecise lan...
The first sentence is less formal. You can tell because it uses overly simple or imprecise language (took, went). The second sentence uses more precise language, so it is more formal overall.
What is the source of the allusion in the sentence below? When I learned the details of Lillian's Faustian bargain, I was in disbelief.
[ "literature", "Roman mythology" ]
0
closed choice
grade7
language science
figurative-language
Literary devices
Recall the source of an allusion
An allusion is a brief mention of something or someone well known, often from mythology, history, or literature. An allusion lets you reference ideas from an entire story in just a few words. "I'd better get home before I turn into a pumpkin!" Lila remarked. Here, Lila alludes to the fairy tale "Cinderella," in which C...
The source of the allusion Faustian bargain is literature. In a play by Christopher Marlowe based on the legend of Faust, a man strikes a deal with the devil. Disregarding the long-term consequences of his actions, he sells his soul in exchange for power. The allusion Faustian bargain means a compromise of one's values...
How long does it take to bake lasagna in the oven?
[ "42 hours", "42 minutes" ]
1
Select the better estimate.
closed choice
grade3
natural science
units-and-measurement
Units and measurement
Choose units of time
Measurements are written with both a number and a unit. The unit comes after the number. The unit shows what the number means. Imagine being told that the bus leaves in 7. You might be thinking, 7 what? Does the bus leave in 7 minutes? 7 seconds? The number 7 on its own does not give you much information about when the...
The better estimate for how long it takes to bake lasagna in the oven is 42 minutes. 42 hours is too slow.
Is the following trait inherited or acquired? Most humans can sense many different smells.
[ "inherited", "acquired" ]
0
closed choice
grade5
natural science
biology
Traits and heredity
Identify inherited and acquired traits
Organisms, including people, have both inherited and acquired traits. Inherited and acquired traits are gained in different ways. Inherited traits are passed down through families. Children gain these traits from their parents. Inherited traits do not need to be learned. Acquired traits are gained during a person's lif...
Babies do not need to learn how to smell. They are able to smell naturally. So, the ability to smell is an inherited trait.
Which correctly shows the title of a book?
[ "***Island of the Blue Dolphins***", "\"Island of the Blue Dolphins\"" ]
0
closed choice
grade6
language science
punctuation
Formatting
Formatting titles
The title of a book, movie, play, TV show, magazine, or newspaper should be in italics. If you write it by hand, it can be underlined instead. A Midsummer Night's Dream The title of a poem, song, article, or short story should be in quotation marks. "You Are My Sunshine"
A book should be in italics. The correct title is **Island of the Blue Dolphins**.
Complete the sentence. Lighting a match is a ().
[ "physical change", "chemical change" ]
1
closed choice
grade2
natural science
chemistry
Physical and chemical change
Identify physical and chemical changes
Chemical changes and physical changes are two ways matter can change. In a chemical change, the type of matter changes. Burning a piece of paper is a chemical change. The paper changes into ash and smoke. In a physical change, the type of matter stays the same. Cutting a piece of paper is a physical change. The cut pie...
Lighting a match is a chemical change. The match catches fire and turns into ash. Ash is a different type of matter than the match.
Select the vertebrate.
[ "ladybug", "earthworm", "mosquito", "rainbow trout" ]
3
Hint: Mammals, birds, fish, reptiles, and amphibians are vertebrates.
closed choice
grade5
natural science
biology
Classification
Identify vertebrates and invertebrates
Vertebrates and invertebrates are both groups of animals. A vertebrate has a backbone. The backbone is made of many bones in an animal's back. A vertebrate's backbone helps connect the different parts of its body. In the drawings below, each vertebrate's backbone is colored orange. An invertebrate does not have a backb...
A mosquito is an insect. Like other insects, a mosquito is an invertebrate. It does not have a backbone. It has an exoskeleton. A ladybug is an insect. Like other insects, a ladybug is an invertebrate. It does not have a backbone. It has an exoskeleton. An earthworm is a worm. Like other worms, an earthworm is an inver...
Which announcement is more formal?
[ "The Danville Law Firm is so happy to tell you . . .", "The Danville Law Firm is pleased to announce . . ." ]
1
closed choice
grade11
language science
writing-strategies
Audience, purpose, and tone
Which text is most formal?
Informal writing is typically used in casual situations or when communicating with someone you know well. Informal language often expresses familiarity and tends to sound more like speech. It uses more conversational language, such as slang, idioms, abbreviations, imprecise language, and contractions. Formal writing is...
The second announcement is more formal. It uses more elevated language (pleased to announce). The other announcement sounds more conversational (so happy).
Select the amphibian.
[ "great crested newt", "robin", "blue-footed booby", "helmeted iguana" ]
0
closed choice
grade5
natural science
biology
Classification
Identify mammals, birds, fish, reptiles, and amphibians
Amphibians have moist skin and begin their lives in water.
A great crested newt is an amphibian. It has moist skin and begins its life in water. Some newts live in water. Other newts live on land but lay their eggs in water. A blue-footed booby is a bird. It has feathers, two wings, and a beak. Blue-footed boobies live on tropical islands in the Pacific Ocean. A helmeted iguan...