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Science Review

Grade 5 · On-level practice · 10 questions · Version PG-1W6M60K-1AF4

1.

What is density?

2.

Why are food webs more realistic than single food chains?

3.

What type of boundary forms when plates move apart?

4.

Why do seasons occur?

5.

What transfers traits from parents to offspring?

6.

State Newton's third-law force pair when swimming.

7.

Which blood cells fight infection?

8.

What cell structure contains genetic material?

9.

Which layer of Earth is liquid iron and nickel?

10.

What is the pH of a neutral solution?

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 20
  1. What is density?Mass per unit volume
  2. Why are food webs more realistic than single food chains?Organisms have multiple food sources and predators
  3. What type of boundary forms when plates move apart?Divergent boundary
  4. Why do seasons occur?Earth's tilt as it orbits the Sun
  5. What transfers traits from parents to offspring?Genes
  6. State Newton's third-law force pair when swimming.Push water back; water pushes swimmer forward
  7. Which blood cells fight infection?White blood cells
  8. What cell structure contains genetic material?The nucleus
  9. Which layer of Earth is liquid iron and nickel?Outer core
  10. What is the pH of a neutral solution?7

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.