The claim says our school should start at 8:30 a.m. instead of 7:45 a.m. Which reason is best supported by credible, relevant evidence?
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6th Grade Writing Quiz
Practice Support Claims With Reasons And Evidence in 6th Grade Writing with focused quiz questions that help you check what you know, review explanations, and build confidence with test-style prompts.
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The claim says our school should start at 8:30 a.m. instead of 7:45 a.m. Which reason is best supported by credible, relevant evidence?
This quiz focuses on Support Claims With Reasons And Evidence, giving you a quick way to practice the rules, question types, and explanations that matter most for 6th Grade Writing.
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.
The claim says our school should start at 8:30 a.m. instead of 7:45 a.m. Which reason is best supported by credible, relevant evidence?
Explanation: This question tests CCSS.W.6.1.b (supporting claims with clear reasons and relevant evidence, using credible sources and demonstrating understanding of topic or text). Supporting claims requires CLEAR REASONS (specific points why claim is valid) backed by RELEVANT EVIDENCE (facts/statistics/expert opinions/examples that prove reasons true) from CREDIBLE SOURCES (experts with qualifications, reputable organizations, verifiable data, unbiased, current information). The claim is that school should start at 8:30 a.m. instead of 7:45 a.m. Option B provides the reason that later starts improve teen sleep, with evidence from the American Academy of Pediatrics that teens need 8-10 hours of sleep. The evidence is credible because the AAP is a reputable medical organization with expertise in adolescent health, and is relevant because sleep needs directly connect to the reason about improving teen sleep through later start times. The correct answer B evaluates support quality accurately by recognizing that the AAP is a credible medical authority and their recommendation about teen sleep hours directly supports the reason about later starts improving sleep. Option A fails because "Many kids say mornings are hard" is vague anecdotal evidence without a credible source or specific data. Option C's bus company website saying routes are "more efficient" lacks specifics and comes from a potentially biased commercial source. Option D relies on one teacher's personal opinion rather than credible research or data. Teaching strategy: Teach claim-reason-evidence structure: CLAIM (position) is supported by REASONS (why claim is valid), which are supported by EVIDENCE (proof reasons are true). Evaluate evidence using checklist: SPECIFIC? (Names study, gives numbers, not vague "research shows"), CREDIBLE SOURCE? (Expert credentials, reputable organization, verifiable, unbiased, current), RELEVANT? (Connects to stated reason, not random fact about topic), SUFFICIENT? (Enough to convince - not just one weak example for broad claim), DEMONSTRATES UNDERSTANDING? (Information accurate, details specific, connections correct). Practice with examples: STRONG: "Dr. Martinez, sleep researcher at Johns Hopkins, found teens at schools starting 8:30am slept 45 minutes more and grades improved 4.5%" (expert credentials, institution, specific data, relevant to claim about later start times). WEAK: "Studies show students are tired" (vague, no source, no specifics).
The claim says our school should plant more trees on campus. Does the evidence “Trees look nicer than grass” support the reason about lowering school temperatures?
Explanation: The reason here is about lowering temperatures, so the evidence needs to give facts about cooling or shade. “Trees look nicer than grass” is an opinion about how trees look, and it says nothing about temperature, so it does not support this reason. That is why the correct answer points out that it is an opinion about looks with no facts about cooling or shade. The choice saying beauty and temperature are the same type of evidence is wrong because how something looks is an opinion, while temperature is something you can measure—they are not the same kind of evidence. The choice saying any positive statement supports every reason is wrong because evidence must connect to the specific reason stated; a nice fact about trees does not automatically prove they cool the air. The choice saying trees only add color and never change the temperature is also wrong, because trees really do provide shade and cooling—the true problem with this evidence is not that trees can’t cool things, but that this particular statement talks about looks instead of temperature.
The claim is that our cafeteria should offer a vegetarian lunch option daily. Does the evidence below credibly support the reason about student demand?
Explanation: The strongest answer says no because the poll may come from an unreliable source and could be biased or incomplete. A student Instagram poll has no careful method: it likely reaches only certain students, its results can't be verified, and one online snapshot can't reliably show what the whole school wants. That is not credible evidence for the reason about student demand. The choice claiming the poll fairly represents the whole school is wrong because a casual social-media poll doesn't use proper sampling, so it can't stand in for everyone. The choice saying an online poll measures demand even without verification is wrong because unverified results aren't trustworthy evidence—credible data has to be checkable. The choice saying student opinions are too personal to count in most decisions is wrong because properly collected student data (like a well-run survey) can support school decisions; the problem here is the poll's quality, not that opinions can never be used. Remember: evidence is credible when it comes from a reliable source, uses a fair method, and can be verified—not just because it exists online.
In a book review, a student claims the main character shows responsibility. Which text evidence best supports that claim?
Explanation: The claim is that the main character shows responsibility, so the best evidence must show the character actually behaving responsibly. The choice where the character admits “I broke it” and then replaces the item with money earned from chores works because it shows two responsible actions: taking ownership of a mistake and making amends for it. That is exactly what responsibility looks like in a story. The choice where the character says “I guess I’ll try” and then walks away shows avoidance, the opposite of responsibility. The choice about forgetting the project twice describes careless, irresponsible behavior, and the narrator even brushes it off as “no big deal”—so it works against the claim. The choice about being “the most popular kid” with lots of friends describes what others think of the character, not something the character does; being popular is not the same as being responsible. Remember: strong evidence for a character trait shows the character doing something that proves the trait, not just being described a certain way.
A student claims the Dust Bowl happened mainly because of poor farming practices and drought. Which evidence is a credible, relevant source to support this historical claim?
Explanation: The claim is that the Dust Bowl happened mainly because of poor farming practices and drought, so the best evidence must be credible AND directly connect to those two causes. The Soil Conservation Service report wins because it is from an official government agency with expertise, was written during the 1930s (a primary source), and describes the exact things named in the claim: farmland erosion and drought. The textbook chapter about factory pollution is credible, but it is off-topic—city pollution and hazy skies do not support a claim about farming and drought. The farming magazine article is relevant to farming, but it argues the opposite point (that machines prevent soil damage) and comes from a source that may be biased toward selling equipment, so it does not back the claim. The historian's article names a real-sounding cause, but blaming distant volcanoes contradicts the claim about farming and drought, so even from an expert it supports a different explanation. When you support a claim, check that evidence is credible, comes from a trustworthy source, and actually connects to the specific reasons in your claim—not just the general topic.
The claim says students should use school-issued laptops instead of personal devices. Which evidence best demonstrates understanding of the topic and uses credible sources?
Explanation: The strongest evidence is the report from the U.S. Federal Trade Commission. The FTC is a government agency with real expertise in data safety, and the report gives specific risks and recommendations that directly connect to the claim about school laptops. That makes it a credible source that shows real understanding of the topic. The technology blog post fails because an unnamed writer's feeling that laptops seem 'less fun' has nothing to do with whether they are safer—the reasoning makes an illogical leap and has no author to trust. The laptop company's product page is biased: a business trying to sell devices is not a fair, unbiased source, and its 'always outperform' wording is an overstatement no evidence can prove. The newspaper opinion column sounds informed but openly gives no facts, expert findings, or examples, so it cannot actually support the claim. Credible evidence names a trustworthy, unbiased source and provides specific, relevant information—only the FTC report does all three.
The claim says students should have 40 minutes of recess. Which problem best describes the evidence: “My cousin’s class had longer recess and everyone was happier”?
Explanation: The best answer points out that the evidence is insufficient and mostly anecdotal: one story about a single cousin's class cannot support a broad claim about what all students need. Strong evidence usually includes data or examples from many students, not one person's happiness. Saying happiness is irrelevant is wrong, because student well-being could actually connect to recess time if it were backed by real proof—so this dismisses a link that might matter. Calling the evidence credible because it comes from a real person confuses simply existing with being reliable; one person's experience is not enough to prove what every student needs. Calling the evidence convincing because a personal story makes readers trust the claim mistakes an emotional reaction for solid support—feeling moved by a story is not the same as having representative evidence. Each of these misses the main problem: a single anecdote is too small and unverified to prove a claim about everyone.
A writer claims our school should install more water bottle refill stations. Which evidence is most credible and relevant to the reason that it reduces plastic waste?
Explanation: The claim is that the school should add refill stations because they cut plastic waste, so the best evidence must be credible AND directly tied to that reason. The city waste report wins because it comes from an official government source with no product to sell, it is recent, and it gives a measurable result—30% less single-use bottle trash in schools in one year—that directly proves the reason. The company brochure gives a similar-sounding statistic, but the source is biased: a business selling refill stations has a reason to exaggerate, so its numbers are not trustworthy. The student survey has real data, but it only measures whether students think a station looks cool, not whether stations actually reduce plastic waste—so it does not support the reason given. The science article is about plastic harming oceans and breaking down slowly; that is a true fact about plastic, but it never connects to refill stations or school waste, so it is off-topic for this reason. When you judge evidence, ask three questions: Is the source trustworthy and unbiased? Does it give specific, verifiable data? Does it actually prove the reason in the claim? Only the city waste report passes all three.
The claim says the town should build more bike lanes. Which evidence would best support the reason that bike lanes reduce car traffic?
Explanation: The best evidence comes from the city transportation department report showing car trips dropped 10% after protected lanes were added. It is credible (an official agency with no product to sell), current, and directly measures the connection between bike lanes and less car traffic — exactly what the reason claims. The bike shop owner's ad looks specific, but the source has a conflict of interest: the shop profits from selling bikes, and rising bike sales don't prove fewer car trips. The neighborhood survey gives a number too, but it only reports what families say they 'might' do — that's speculation, not proof that traffic actually dropped. The traffic camera photo shows many cars, yet it says nothing about bike lanes or whether traffic changed, so it can't support this reason. When choosing evidence, don't just pick the option with the most numbers. Check whether the source is trustworthy and unbiased, and whether the evidence truly connects to the exact reason you are trying to prove.
The claim says our school should limit homework to 60 minutes nightly. To better support this claim, what evidence should be added?
Explanation: The strongest choice adds a 2019 Stanford Graduate School of Education summary that cites research on stress and sleep. This works because it comes from a credible, current source, points to actual research instead of feelings, and connects directly to health reasons for limiting homework. The survey of students who dislike homework only reports opinions and preferences—it never shows how homework affects learning or health, so it can't prove the claim. The online post about other countries sounds convincing but names no specific country and no source, so you can't check whether it's true; unverifiable claims aren't real evidence. The teacher's comment about grading focuses on adult convenience, not on students, so it misses what the claim is actually about. When you support a claim, look for evidence that is specific, from a trustworthy source, and clearly tied to the reason your claim is right.