Claim & Evidence

Choose the best EVIDENCE that supports the claim.

Claim: Students who sleep more do better on tests.

• B. Students who sleep more usually feel more rested.

• C. Students who slept 9 hours scored 92%, while those who slept 6 hours scored 78%.

• A. Most students like to sleep in on weekends. This observation was recorded in a controlled classroom experiment.

• D. Students who slept 8 hours scored 90%.

Answer explanation

Remember: Evidence should use data (usually numbers to prove) and compare with other data to prove why the claim is correct.

Choose the best EVIDENCE that supports the claim.

Claim: Watermelon contains more water than apples.

• Watermelon is juicy.

• Watermelon is 92% water, while apples are 84% water.

• Watermelon is 92% water.

• Watermelon is a summer fruit. This observation was recorded in a controlled classroom experiment.

Answer explanation

The best evidence is that watermelon is 92% water, while apples are 84% water. This directly compares the water content of both fruits, clearly supporting the claim that watermelon contains more water than apples.

Choose the best EVIDENCE that supports the claim.

Claim: Running shoes help improve running speed.

• B. Runners prefer running shoes.

• A. Running shoes come in many colors. This observation was recorded in a controlled classroom experiment.

• D. A runner in new shoes finished in 8 minutes.

• C. Runners wearing running shoes finished in 8 minutes, others took 10 minutes.

Answer explanation

Choice C provides direct evidence that runners wearing running shoes finished faster (8 minutes) compared to those without (10 minutes), supporting the claim that running shoes improve running speed.

Directions: Read the evidence provided. Choose the CLAIM that is best supported by the evidence.

Evidence: Dogs have a sense of smell that is 40 times stronger than humans.

• Dogs are better pets than cats.

• Dogs have stronger senses than humans.

• Dogs rely on their hearing to hunt.

• Humans are better at seeing than dogs.

Answer explanation

The evidence states that dogs have a sense of smell 40 times stronger than humans, which supports the claim that dogs have stronger senses than humans. The other options do not relate to the provided evidence.

Choose the best EVIDENCE that supports the claim.

Claim: Hot water freezes faster than cold water.

• C. Hot water froze in 2 hours, cold water took 3 hours.

• B. Cold water freezes slowly.

• A. Hot water steams more than cold water. This observation was recorded in a controlled classroom experiment.

• D. Hot water froze quickly.

Answer explanation

Choice C provides direct evidence supporting the claim, showing that hot water froze faster (2 hours) compared to cold water (3 hours). This clearly demonstrates the phenomenon being claimed.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-5

Directions: Read the evidence provided. Choose the CLAIM that is best supported by the evidence.

Evidence: Students who studied for 2 hours scored an average of 88%, while students who studied for 30 minutes scored 70%.

• Students enjoy studying in groups.

• More study time leads to better test scores.

• Tests are easier with multiple choice questions.

• Studying in the morning is more effective.

Answer explanation

The evidence shows that students who studied for 2 hours scored higher (88%) than those who studied for 30 minutes (70%). This supports the claim that more study time leads to better test scores.

Choose the best EVIDENCE that supports the claim.

Claim: Plants grow better with sunlight.

• Plants look green in sunlight. This observation was recorded in a controlled classroom experiment.

• Plants in the sun look healthy.

• Plants in sun grew 10 inches, in shade 3 inches.

• Plants in sun grew 10 inches.

Answer explanation

The evidence "Plants in sun grew 10 inches, in shade 3 inches" provides a clear comparison of growth in different light conditions, directly supporting the claim that sunlight enhances plant growth.

Tags

NGSS.MS-LS1-5

NGSS.MS-LS1-6

Choose the best EVIDENCE that supports the claim.

Claim: Drinking sugary drinks leads to more cavities.

• A. Sugar is bad for teeth. This observation was recorded in a controlled classroom experiment.

• B. Dentists warn against sugar.

• C. Kids who drank 3 sugary drinks had 6 cavities, others had 1-2 cavities.

• D. Kids who drank sugary drinks had cavities.

Answer explanation

Choice C provides specific evidence linking sugary drink consumption to cavities, showing that kids who drank more sugary drinks had significantly more cavities than those who drank fewer, directly supporting the claim.

Choose the best EVIDENCE that supports the claim.

Claim: Exercise increases heart rate.

• People sweat when they exercise. This observation was recorded in a controlled classroom experiment.

• The heart is a muscle.

• Heart rate rose from 70 bpm to 120 bpm after exercise.

• Exercise makes your heart beat faster.

Answer explanation

The statement 'Heart rate rose from 70 bpm to 120 bpm after exercise' provides direct evidence of the claim that exercise increases heart rate, showing a measurable increase in heart rate due to exercise.

Directions: Read the evidence provided. Choose the CLAIM that is best supported by the evidence.

Evidence: Students who used a planner completed 95% of their homework, while those who didn’t used planners only completed 70%.

• Most schools give students planners at the start of the year to help them stay organized.

• Using a planner helps students stay more organized and complete more homework.

• Homework is important to reinforce classroom learning.

• Students often forget their homework when they’re busy with after-school activities and sports.

Answer explanation

The evidence shows that students using planners completed 95% of their homework, compared to 70% for those who didn't. This supports the claim that using a planner helps students stay organized and complete more homework.