4th Grade ELA Quiz: Identifying Reasons And Evidence

What this quiz covers

This quiz focuses on Identifying Reasons And Evidence, giving you a quick way to practice the rules, question types, and explanations that matter most for 4th Grade ELA.

How to use this quiz

Try each quiz question before looking at the correct answer. Use the explanations to review missed ideas, then come back to similar questions until the pattern feels familiar.

Question 1

1. The book has strong characters that readers really enjoy.
2. The library website shows 4.7 stars from 53 reviews. (correct answer)
3. The teamwork in the story makes the book worth reading.
4. Chapter 4 is the most exciting part of the whole book.

Explanation: Maya's claim is that you should read "The Mystery of Pine Hill." To support a claim, the best evidence gives specific, checkable facts, examples, or numbers—not just a general reason. The library website shows 4.7 stars from 53 reviews. This is real data you can look up and verify, so it strongly supports the claim that other readers liked the book. "The book has strong characters that readers really enjoy" is a reason (a general explanation of why), not specific evidence you can check. "The teamwork in the story makes the book worth reading" is also a reason—it tells you why Maya likes the book, but it gives no facts or examples to prove it. "Chapter 4 is the most exciting part of the whole book" is an opinion that Maya never actually said in her talk, and it doesn't prove any of her reasons. Only the star rating from the library website is concrete, verifiable evidence, which is why it best supports Maya's claim.

Question 2

1. The nutrition poster says an apple has about 4 grams of fiber.
2. Fruit gives energy during the school day. (correct answer)
3. Jamal saw three unopened fruit cups thrown away last Friday.
4. The nurse said some kids need foods without nuts.

Explanation: This question tests 4th grade speaking and listening skills: identifying the reasons and evidence a speaker provides to support particular points (CCSS.SL.4.3). When a speaker makes a claim or point, they give REASONS that explain WHY the claim is true. Reasons are general explanations ("because it's healthy," "since it helps the environment"). Speakers also give EVIDENCE—specific facts, examples, data, expert opinions, or observations—that PROVE the reasons are valid. Evidence is concrete and can be verified ("30% of students agreed," "In the study, scientists found..."). Together, reasons and evidence support the speaker's main point. Jamal presents that the cafeteria should add more fruit choices. He gives three reasons: fruit gives energy, more choices mean less waste, and it helps students who can't eat some snacks. To support these reasons, Jamal provides evidence: the nutrition poster says an apple has about 4 grams of fiber, Jamal observed three unopened fruit cups thrown away last Friday, and the nurse said some kids need foods without nuts. The presentation is about school cafeteria options and is persuasive. Choice B is correct because this is a REASON, as it explains WHY the claim is true with the general statement "fruit gives energy during the school day," but it's not specific evidence. Good evidence is specific, factual, verifiable, and directly supports the point. Choice A is incorrect because this is EVIDENCE (specific fact), not a REASON (general explanation), so it doesn't explain why. Students sometimes think any true statement is evidence even if it doesn't support the point. Reasons without evidence are just opinions. Evidence makes arguments convincing and believable. Identifying reasons vs evidence helps you evaluate if a speaker has really supported their point. To help students identify reasons and evidence: Teach the distinction explicitly: "Reasons answer WHY (because...). Evidence answers PROVE IT (facts, examples, data, experts)."; use graphic organizer with columns: Claim | Reasons (Why?) | Evidence (Prove it!); model analyzing speeches/presentations: "The speaker claims... The reasons are... The evidence includes..."; practice sorting cards labeled with claims, reasons, evidence into categories. Teach evidence types: Facts (can be verified), Examples (specific instances), Data (numbers/statistics), Expert opinions (authorities say), Observations (we noticed); use color-coding: highlight reasons in one color, evidence in another; give students transcripts or notes from presentations to mark up; practice asking: "Is this a general explanation (reason) or a specific proof (evidence)? Can this be checked or verified? Does this support the claim?"; analyze both strong and weak arguments—which have good evidence, which lack it. Watch for: students who think any factual statement is evidence even if irrelevant to the claim; students who confuse the claim itself with evidence supporting it; students who accept vague statements ("it's really good") as evidence; students who think reasons are sufficient and don't look for specific evidence. Common pitfall 2: students who identify evidence but can't explain which reason it supports; students who have trouble distinguishing facts (evidence) from opinions; students who think personal experience always counts as evidence; students who don't recognize when speakers make claims without actually providing evidence; students who need explicit teaching about what makes evidence "specific" enough.

Question 3

1. He counted 12 bikes leaned on the fence by the yard yesterday.
2. A teacher said bikes blocking the sidewalk slow the dismissal line.
3. The school should add a bike rack because bikes are really great. (correct answer)
4. A PE article said that biking every day is "good cardio" exercise.

Explanation: Amir's main point is that the school should add a bike rack. To support a point, a speaker gives evidence—specific facts, numbers, observations, or expert opinions that can be checked. The choice "the school should add a bike rack because bikes are really great" is correct here because it just repeats Amir's main point and adds an opinion, not evidence. Saying bikes "are really great" cannot be proven or checked, so it does not support the point—it only states the point again. Counting 12 bikes leaned on the fence is a real observation Amir made, so it is evidence that supports the safety reason. A teacher saying bikes block the sidewalk and slow the dismissal line is an expert observation, so it is evidence for the time reason. A PE article calling biking "good cardio" is an expert source, so it is evidence for the exercise reason. Those three are all specific, checkable proof. The correct answer is the one that names the claim and gives only an opinion instead of real evidence.

Question 4

1. Caring for a pet fish teaches students responsibility.
2. A class pet would help us learn science every day.
3. Last year's class fed their fish daily using a schedule. (correct answer)
4. We should have a class pet in our room, like a fish.

Explanation: The correct answer is that last year's class fed their fish daily using a schedule. This is evidence: a specific, real example you could check to prove that caring for a fish teaches responsibility. Evidence gives facts, examples, or observations that back up a reason. "Caring for a pet fish teaches students responsibility" is a reason, not evidence. It explains WHY Keisha wants a pet, but it doesn't prove anything with a fact or example. "A class pet would help us learn science every day" is also a reason—it tells why a pet is a good idea, but it offers no specific proof you could check. "We should have a class pet in our room, like a fish" is Keisha's claim itself, the main point she is arguing for, not the evidence that supports it. Remember: a claim is what someone wants you to believe, a reason tells WHY, and evidence PROVES it with specific facts or examples. Only one choice gives that kind of checkable proof.

Question 5

1. Desert animals survive because they save water.
2. Animals stay alive by storing water in their bodies.
3. Kangaroo rats can live without drinking water. (correct answer)
4. Camels are one kind of animal that lives in the desert.

Explanation: Sofia's main point is that desert animals survive because they save water. To prove her reasons, she gives evidence—specific facts you can check. "Kangaroo rats can live without drinking water" is the correct answer because it is a concrete, checkable fact that shows how animals avoid losing water. That makes it evidence, not just an explanation. "Animals stay alive by storing water in their bodies" is a reason. It tells WHY animals survive, but it is a general idea, not a specific proven fact, so it isn't the evidence Sofia used. "Desert animals survive because they save water" is Sofia's main claim itself—the point she is trying to support—not a fact she uses to back it up. "Camels are one kind of animal that lives in the desert" is a true statement, but it does not prove any of Sofia's reasons about how animals save water, so it is not the evidence she gave. Remember: reasons answer WHY (they explain), while evidence proves it with a specific fact or example you can verify.

Question 6

1. A quiet reading corner would help every student in the room stay focused on their books.
2. She timed the noise during group work one day, and it reached seventy-five decibels. (correct answer)
3. The whole class agrees that a quiet reading corner is a really good idea for everyone.
4. The librarian said students read more books when the books are easy to browse and find.

Explanation: The question asks for specific evidence that supports the reason about reducing distractions. Evidence is a fact, number, or observation you can check. "She timed the noise during group work one day, and it reached seventy-five decibels" is correct because it gives a measured fact about noise, which directly backs up the point that a quiet corner would cut down distractions. "A quiet reading corner would help every student in the room stay focused on their books" is just a general reason explaining why the corner is good—it repeats the point instead of proving it. "The whole class agrees that a quiet reading corner is a really good idea for everyone" is only an opinion; agreeing does not prove anything or measure anything. "The librarian said students read more books when the books are easy to browse and find" is real evidence, but it supports a different reason—helping kids choose books—not reducing distractions. Only the decibel measurement ties directly to noise and distractions, so it is the best answer.

Question 7

1. The lunch menu has apples 4 days a week but no other fruit.
2. Fruit gives vitamins. (correct answer)
3. A nurse told us vitamin C helps our bodies heal.
4. Fruit can replace sugary snacks.

Explanation: This question tests 4th grade speaking and listening skills: identifying the reasons and evidence a speaker provides to support particular points (CCSS.SL.4.3). When a speaker makes a claim or point, they give REASONS that explain WHY the claim is true. Reasons are general explanations ("because it's healthy," "since it helps the environment"). Speakers also give EVIDENCE—specific facts, examples, data, expert opinions, or observations—that PROVE the reasons are valid. Evidence is concrete and can be verified ("30% of students agreed," "In the study, scientists found..."). Together, reasons and evidence support the speaker's main point. Amir argues that the cafeteria should offer more fruit choices. He gives two reasons: fruit gives vitamins, and it can replace sugary snacks. To support these reasons, Amir provides evidence: the lunch menu has apples 4 days a week but no other fruit, and a nurse told us vitamin C helps our bodies heal. The presentation is about school lunch and is persuasive. Choice B is correct because this is NOT evidence—it's a REASON because it explains WHY the claim is true with the general statement "fruit gives vitamins," but it's not specific proof. Choice A is incorrect because this is EVIDENCE (specific fact), not a REASON, and it does support the claim with verifiable details about the menu. Students sometimes confuse reasons (WHY) with evidence (PROOF). Reasons without evidence are just opinions. Evidence makes arguments convincing and believable. Identifying reasons vs evidence helps you evaluate if a speaker has really supported their point. To help students identify reasons and evidence: Teach the distinction explicitly: "Reasons answer WHY (because...). Evidence answers PROVE IT (facts, examples, data, experts)."; use graphic organizer with columns: Claim | Reasons (Why?) | Evidence (Prove it!); model analyzing speeches/presentations: "The speaker claims... The reasons are... The evidence includes..."; practice sorting cards labeled with claims, reasons, evidence into categories. Teach evidence types: Facts (can be verified), Examples (specific instances), Data (numbers/statistics), Expert opinions (authorities say), Observations (we noticed); use color-coding: highlight reasons in one color, evidence in another; give students transcripts or notes from presentations to mark up; practice asking: "Is this a general explanation (reason) or a specific proof (evidence)? Can this be checked or verified? Does this support the claim?"; analyze both strong and weak arguments—which have good evidence, which lack it. Watch for: students who think any factual statement is evidence even if irrelevant to the claim; students who confuse the claim itself with evidence supporting it; students who accept vague statements ("it's really good") as evidence; students who think reasons are sufficient and don't look for specific evidence. Common pitfall 2: students who identify evidence but can't explain which reason it supports; students who have trouble distinguishing facts (evidence) from opinions; students who think personal experience always counts as evidence; students who don't recognize when speakers make claims without actually providing evidence; students who need explicit teaching about what makes evidence "specific" enough.

Question 8

1. Kids focus better after breaks.
2. Our teacher timed us, and we worked 12 minutes longer after recess. (correct answer)
3. Longer recess would be more fun for everyone.
4. Recess happens after lunch at our school.

Explanation: This question tests 4th grade speaking and listening skills: identifying the reasons and evidence a speaker provides to support particular points (CCSS.SL.4.3). When a speaker makes a claim or point, they give REASONS that explain WHY the claim is true. Reasons are general explanations ("because it's healthy," "since it helps the environment"). Speakers also give EVIDENCE—specific facts, examples, data, expert opinions, or observations—that PROVE the reasons are valid. Evidence is concrete and can be verified ("30% of students agreed," "In the study, scientists found..."). Together, reasons and evidence support the speaker's main point. Emma presents that the school should have longer recess. She gives three reasons: exercise helps our bodies, kids focus better after breaks, and it helps us solve problems kindly. To support these reasons, Emma provides evidence: our teacher timed us and we worked 12 minutes longer without talking after recess, and the CDC says kids need 60 minutes of activity daily. The presentation is about school recess and is persuasive. Choice B is correct because this is EVIDENCE, not a reason—it provides a specific observation that "our teacher timed us, and we worked 12 minutes longer after recess," which proves kids focus better after breaks. It's concrete and can be verified. Choice A is incorrect because this is a REASON (general explanation "why"), not EVIDENCE (specific proof), so it doesn't answer what evidence supports the point. Students sometimes confuse reasons (WHY) with evidence (PROOF). Reasons without evidence are just opinions. Evidence makes arguments convincing and believable. Identifying reasons vs evidence helps you evaluate if a speaker has really supported their point. To help students identify reasons and evidence: Teach the distinction explicitly: "Reasons answer WHY (because...). Evidence answers PROVE IT (facts, examples, data, experts)."; use graphic organizer with columns: Claim | Reasons (Why?) | Evidence (Prove it!); model analyzing speeches/presentations: "The speaker claims... The reasons are... The evidence includes..."; practice sorting cards labeled with claims, reasons, evidence into categories. Teach evidence types: Facts (can be verified), Examples (specific instances), Data (numbers/statistics), Expert opinions (authorities say), Observations (we noticed); use color-coding: highlight reasons in one color, evidence in another; give students transcripts or notes from presentations to mark up; practice asking: "Is this a general explanation (reason) or a specific proof (evidence)? Can this be checked or verified? Does this support the claim?"; analyze both strong and weak arguments—which have good evidence, which lack it. Watch for: students who think any factual statement is evidence even if irrelevant to the claim; students who confuse the claim itself with evidence supporting it; students who accept vague statements ("it's really good") as evidence; students who think reasons are sufficient and don't look for specific evidence. Common pitfall 2: students who identify evidence but can't explain which reason it supports; students who have trouble distinguishing facts (evidence) from opinions; students who think personal experience always counts as evidence; students who don't recognize when speakers make claims without actually providing evidence; students who need explicit teaching about what makes evidence "specific" enough.

Question 9

1. It makes reading time calmer.
2. In our survey, 19 of 24 students wanted a quieter spot. (correct answer)
3. A reading corner could have beanbags.
4. Our class should have a quiet reading corner.

Explanation: This question tests 4th grade speaking and listening skills: identifying the reasons and evidence a speaker provides to support particular points (CCSS.SL.4.3). When a speaker makes a claim or point, they give REASONS that explain WHY the claim is true. Reasons are general explanations ("because it's healthy," "since it helps the environment"). Speakers also give EVIDENCE—specific facts, examples, data, expert opinions, or observations—that PROVE the reasons are valid. Evidence is concrete and can be verified ("30% of students agreed," "In the study, scientists found..."). Together, reasons and evidence support the speaker's main point. Chen argues that our class should have a quiet reading corner. He gives two reasons: it helps students concentrate, and it makes reading time calmer. To support these reasons, Chen provides evidence: in our survey, 19 of 24 students wanted a quieter spot, and last week, two students moved to the hallway to finish reading. The presentation is about classroom improvements and is persuasive. Choice B is correct because this evidence specifically supports the reason "it helps students concentrate" because the survey data shows most students want a quieter spot, implying noise hinders focus—it's concrete data that can be verified. Good evidence is specific, factual, verifiable, and directly supports the point. Choice A is incorrect because this is a REASON (general explanation "why"), not EVIDENCE (specific proof), so it doesn't answer what evidence supports the point. Students sometimes confuse reasons (WHY) with evidence (PROOF). Reasons without evidence are just opinions. Evidence makes arguments convincing and believable. Identifying reasons vs evidence helps you evaluate if a speaker has really supported their point. To help students identify reasons and evidence: Teach the distinction explicitly: "Reasons answer WHY (because...). Evidence answers PROVE IT (facts, examples, data, experts)."; use graphic organizer with columns: Claim | Reasons (Why?) | Evidence (Prove it!); model analyzing speeches/presentations: "The speaker claims... The reasons are... The evidence includes..."; practice sorting cards labeled with claims, reasons, evidence into categories. Teach evidence types: Facts (can be verified), Examples (specific instances), Data (numbers/statistics), Expert opinions (authorities say), Observations (we noticed); use color-coding: highlight reasons in one color, evidence in another; give students transcripts or notes from presentations to mark up; practice asking: "Is this a general explanation (reason) or a specific proof (evidence)? Can this be checked or verified? Does this support the claim?"; analyze both strong and weak arguments—which have good evidence, which lack it. Watch for: students who think any factual statement is evidence even if irrelevant to the claim; students who confuse the claim itself with evidence supporting it; students who accept vague statements ("it's really good") as evidence; students who think reasons are sufficient and don't look for specific evidence. Common pitfall 2: students who identify evidence but can't explain which reason it supports; students who have trouble distinguishing facts (evidence) from opinions; students who think personal experience always counts as evidence; students who don't recognize when speakers make claims without actually providing evidence; students who need explicit teaching about what makes evidence "specific" enough.

Question 10

1. The writing helps you picture the zoo.
2. The book won the Newbery Medal. (correct answer)
3. You should read "The One and Only Ivan."
4. I think everyone will love it.

Explanation: This question tests 4th grade speaking and listening skills: identifying the reasons and evidence a speaker provides to support particular points (CCSS.SL.4.3). When a speaker makes a claim or point, they give REASONS that explain WHY the claim is true. Reasons are general explanations ("because it's healthy," "since it helps the environment"). Speakers also give EVIDENCE—specific facts, examples, data, expert opinions, or observations—that PROVE the reasons are valid. Evidence is concrete and can be verified ("30% of students agreed," "In the study, scientists found..."). Together, reasons and evidence support the speaker's main point. Maya argues that you should read "The One and Only Ivan." She gives two reasons: the characters show friendship, and the writing helps you picture the zoo. To support these reasons, Maya provides evidence: in one chapter, Ivan makes art to cheer up Ruby, and the book won the Newbery Medal. The presentation is about a book recommendation and is persuasive. Choice B is correct because this evidence specifically supports the claim by providing an expert opinion (the Newbery Medal indicates high quality), which proves the book is worth reading—it's verifiable and strong. Good evidence is specific, factual, verifiable, and directly supports the point. Choice A is incorrect because this is a REASON (general explanation "why"), not EVIDENCE (specific proof), so it doesn't answer what evidence supports the point. Students sometimes confuse reasons (WHY) with evidence (PROOF). Reasons without evidence are just opinions. Evidence makes arguments convincing and believable. Identifying reasons vs evidence helps you evaluate if a speaker has really supported their point. To help students identify reasons and evidence: Teach the distinction explicitly: "Reasons answer WHY (because...). Evidence answers PROVE IT (facts, examples, data, experts)."; use graphic organizer with columns: Claim | Reasons (Why?) | Evidence (Prove it!); model analyzing speeches/presentations: "The speaker claims... The reasons are... The evidence includes..."; practice sorting cards labeled with claims, reasons, evidence into categories. Teach evidence types: Facts (can be verified), Examples (specific instances), Data (numbers/statistics), Expert opinions (authorities say), Observations (we noticed); use color-coding: highlight reasons in one color, evidence in another; give students transcripts or notes from presentations to mark up; practice asking: "Is this a general explanation (reason) or a specific proof (evidence)? Can this be checked or verified? Does this support the claim?"; analyze both strong and weak arguments—which have good evidence, which lack it. Watch for: students who think any factual statement is evidence even if irrelevant to the claim; students who confuse the claim itself with evidence supporting it; students who accept vague statements ("it's really good") as evidence; students who think reasons are sufficient and don't look for specific evidence. Common pitfall 2: students who identify evidence but can't explain which reason it supports; students who have trouble distinguishing facts (evidence) from opinions; students who think personal experience always counts as evidence; students who don't recognize when speakers make claims without actually providing evidence; students who need explicit teaching about what makes evidence "specific" enough.

Question 11

1. He says, "Our meter showed the room used 10 more units when lights stayed on."
2. He says, "The custodian said the electric bill rises in winter." (correct answer)
3. He says, "Turning off the lights is a good habit for everyone."
4. He says, "The bright lights in our room help us see our work."

Explanation: Evidence is specific proof—a fact, number, or something an expert said—that backs up a reason. The reason here is that turning off lights saves money for the school. The statement that the custodian said the electric bill rises in winter is the best answer: it comes from a person who knows the school's costs, and rising bills are about money, so it proves the money reason. The meter statement is real evidence too, but it counts units of energy used, not dollars, so it supports the different reason—saving energy—not the money reason. The statement that turning off lights is a good habit is only a general opinion; it names no fact, number, or expert, so it isn't evidence at all. The statement that bright lights help us see our work is a true detail, but it gives a reason to keep lights on, so it does not support Carlos's money reason. When you match evidence to a reason, ask: "Does this proof actually connect to what the reason is about?" Only the custodian's statement about the electric bill connects to money.

Question 12

1. He measured that the playground slide was 15°F cooler under a tree.
2. A park ranger told Carlos that birds build their nests in oak branches.
3. Carlos really likes how the trees look and thinks they are awesome. (correct answer)
4. A gardening book explains that shade trees can cool the air nearby.

Explanation: Carlos's point is that the town should plant more trees. Good evidence gives specific facts, numbers, observations, or expert information that can be checked to prove a reason is true. The choice about Carlos liking how the trees look and thinking they are awesome is NOT evidence—it is only his personal opinion, which cannot be checked or proven, so it is the correct answer. The choice about measuring that the slide was 15°F cooler is real evidence because it is a specific measurement anyone could take again. The choice about a park ranger telling Carlos that birds nest in oak branches is evidence too, since it is information from an expert who knows about the park. The choice about a gardening book explaining that shade trees cool the air is also evidence, because it comes from a source and gives a fact you could look up. Only one choice shares a feeling instead of proof, so that is the one that does not support Carlos's point with evidence.

Question 13

1. Our hallway cans filled 6 full bags of trash last week. (correct answer)
2. A city report says most families throw away too much plastic.
3. EPA says recycling one ton of paper saves about 17 trees.
4. Our school buys new paper and supplies every single month.

Explanation: The question asks which piece of evidence proves the reason that recycling lowers trash. Evidence is a specific, checkable fact—not a general reason or an unrelated detail. The best answer is that the hallway cans filled six full bags of trash last week. That is exact, verifiable data showing how much trash the school makes right now, which is exactly what the 'lowers trash' reason needs. The statement that EPA says recycling one ton of paper saves about 17 trees is real evidence, but it proves the other reason—saving resources—not that recycling lowers trash, so it does not answer this question. The claim that a city report says most families throw away too much plastic is a fact, but it is about homes in the city, not the trash at Chen's school, so it does not support his point here. The statement that the school buys new paper and supplies every month is about spending, not about trash being reduced, so it does not back up the 'lowers trash' reason either. Always match evidence to the exact reason it is supposed to prove.

Question 14

1. A report from the city showing fewer injuries in cleaner parks. (correct answer)
2. A survey showing that many families prefer parks with new benches.
3. A count showing there are more wrappers near the busy swings.
4. A study showing that kids feel happier at a bright, colorful park.

Explanation: Marcus needs evidence that proves cleaner parks are SAFER. The best choice is the city report showing fewer injuries in cleaner parks. Fewer injuries directly connects to safety, and a city report is a fact you can check, so it truly supports this reason. The survey about families preferring new benches is real data, but it is about what people like, not about safety—it supports a different point. The count of wrappers near the busy swings is factual, but Marcus already used counting wrappers as evidence for a different reason (reducing litter); it shows there IS litter, not that clean parks are safer. The study about kids feeling happier at a bright park is about happiness and color, not safety, so it does not prove this reason. Good evidence must be specific, checkable, AND match the exact reason it is meant to support. Only the injury report does all three for the safety reason.

Question 15

1. Simple machines make work easier for people.
2. A website lists can openers as levers. (correct answer)
3. Simple machines help us in our real life.
4. Simple machines can change the pulling direction.

Explanation: Keisha's main point is that simple machines make work easier. To convince her class, she gives reasons (why something is true) and evidence (specific proof you can check). The correct answer names a specific example she points to: a website that lists can openers as levers. That is evidence because it is a concrete example that can be verified. The statement that simple machines make work easier is Keisha's main claim, not an example. The idea that simple machines help us in our real life is one of her reasons—it explains why, but it does not give a specific example. The idea that simple machines can change the pulling direction is also one of her reasons; her actual evidence for it was the pulley lifting a flag, not this general statement. Remember: reasons answer 'why,' but evidence gives a specific fact, example, or observation that proves the point. Only one choice names a real example Keisha used.

Question 16

1. Food becomes harder to find during the cold winter months.
2. Bears can slow their heart rate during hibernation. (correct answer)
3. Hibernating helps animals save energy through the winter.
4. Sleeping through winter is the smartest choice for animals.

Explanation: Evidence is a specific fact you could check or verify, and it comes from a source Yuki names. The choice about bears slowing their heart rate is evidence: it is a concrete fact that Yuki got straight from the textbook, and it proves that hibernation really does save energy. The choice about food being harder to find is a reason—it explains WHY animals hibernate, but it is a general idea, not a specific proven fact from a source. The choice about hibernating helping animals save energy is also a reason, telling WHY hibernation helps rather than proving it with a fact. The choice about sleeping being the smartest choice is just an opinion; it cannot be checked or verified, so it is not evidence at all. When you look for evidence, ask yourself: Is this a specific fact from a source I could actually check? Only the statement about bears' heart rate does that.

Question 17

1. Simple machines are useful tools that make work much easier for people.
2. A ramp lets you push a box up slowly instead of lifting. (correct answer)
3. Simple machines can reduce the effort a person needs to move things.
4. A wheel can turn a heavy load faster than you could ever push it.

Explanation: Evidence is a specific example, fact, or observation that proves a reason. Sofia's evidence is that a ramp lets you push a box up slowly instead of lifting. This is a concrete example you can picture and check, so it is the answer. The statement that simple machines are useful tools that make work easier is Sofia's main point, or claim. A claim is the big idea she is trying to prove, not the proof itself. The statement that simple machines can reduce the effort a person needs is one of Sofia's reasons. A reason explains WHY the claim is true, but it is a general explanation, not a specific example. The statement about a wheel turning a heavy load faster sounds like it fits the topic, but Sofia never says it in her presentation, so it cannot be evidence she used. Remember: reasons tell you WHY, and evidence proves it with a specific example, fact, or number.

Question 18

1. Starting a recycling program would be easy for our whole class to do.
2. Our class should start a recycling program to help the environment.
3. Recycling one ton of paper can save about 17 whole trees. (correct answer)
4. Recycling keeps a lot of extra trash out of our town's landfills.

Explanation: The question asks which choice is a fact Sofia uses as evidence. Evidence is a specific fact you can check, like a number or a measurement. "Recycling one ton of paper can save about 17 whole trees" is the answer because it comes straight from Sofia's poster and gives a checkable number, so it proves her reason that recycling saves resources. "Starting a recycling program would be easy for our whole class to do" is one of Sofia's reasons (a general why), not a specific fact, so it is not evidence. "Our class should start a recycling program to help the environment" is Sofia's main claim—the whole point she is arguing for—not the proof behind it. "Recycling keeps a lot of extra trash out of our town's landfills" is another reason Sofia gives; her actual evidence for it was the city website's number about 2,000 tons of trash each month. Only one choice states a specific, checkable fact used as proof, so it is the evidence.

Question 19

1. Owls can turn their heads about 270 degrees to spot prey. (correct answer)
2. Porcupine quills are sharp enough to poke predators away.
3. Frogs have long sticky tongues that catch flying bugs.
4. Camels have wide feet that help them walk on sand.

Explanation: The reason you are matching is that adaptations help animals get food. Look for a piece of evidence that shows an animal getting its food. The correct choice says owls can turn their heads about 270 degrees to spot prey — turning their heads helps owls find the food they hunt, so this evidence proves the reason about getting food. The choice about porcupine quills poking predators is true, but it shows how an adaptation keeps an animal safe, not how it gets food, so it supports a different reason. The choice about frogs with long sticky tongues really does describe getting food, but Chen never mentioned frogs in his explanation, so it is not the evidence he actually gave. The choice about camels having wide feet for walking on sand is evidence Chen gave, but it supports the reason that adaptations match habitats, not the reason about getting food. Only the owl evidence both comes from Chen's explanation and supports the food reason, so it is the best answer.

Question 20

1. More trash cans in the park will help reduce the litter.
2. We counted 27 wrappers near the swings. (correct answer)
3. More trash cans will keep the park animals much safer.
4. The park is a much nicer place to play with clean spaces.

Explanation: The park needs more trash cans is Keisha's claim, so the reasons and evidence support it. Reasons tell WHY, and evidence gives specific proof you can check, like facts, numbers, or what an expert says. The correct answer, that they counted 27 wrappers near the swings, is evidence. It is a specific fact with a number that you could go and check. It proves there is a real litter problem. The choice about reducing litter is a reason, not evidence. It explains WHY more trash cans help, but it gives no specific fact or number to prove it. The choice about keeping park animals safer is also a reason. It tells WHY the trash cans matter, but it is a general explanation, not a checkable fact. The choice that the park is a nicer place to play is just an opinion. It is neither one of Keisha's reasons nor a piece of evidence she gives. Remember: reasons answer "Why?" while evidence answers "Can you prove it?" Only the counted wrappers gives a specific, checkable fact.