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Science Review

Grade 5 · On-level practice · 10 questions · Version PG-SSI9M7-1AF4

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1.What evidence shows a chemical reaction occurred?
2.Why do seasons occur?
3.What transfers traits from parents to offspring?
4.What cell structure contains genetic material?
5.What is the pH of a neutral solution?
6.State Newton's third-law force pair when swimming.
7.What does conservation of energy mean?
8.Why are food webs more realistic than single food chains?
9.What is density?
10.What is the difference between weather and climate?

Answers and teaching notes

Use the answers to check the work after the learner finishes. For writing prompts, the guide describes what a strong response should include.

Show answers for version 10
  1. What evidence shows a chemical reaction occurred?New substances form
  2. Why do seasons occur?Earth's tilt as it orbits the Sun
  3. What transfers traits from parents to offspring?Genes
  4. What cell structure contains genetic material?The nucleus
  5. What is the pH of a neutral solution?7
  6. State Newton's third-law force pair when swimming.Push water back; water pushes swimmer forward
  7. What does conservation of energy mean?Energy changes form but is not created or destroyed
  8. Why are food webs more realistic than single food chains?Organisms have multiple food sources and predators
  9. What is density?Mass per unit volume
  10. What is the difference between weather and climate?Weather is short-term; climate is long-term patterns

Worked example

Connect the question to an observable process or scientific model.

Common mistake

Selecting a familiar term without checking its meaning.

Helpful hint

Explain why your answer makes sense.