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Science Review

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

1.

What does conservation of energy mean?

2.

Why do seasons occur?

3.

What is density?

4.

Which layer of Earth is liquid iron and nickel?

5.

What is the role of chlorophyll?

6.

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

7.

What transfers traits from parents to offspring?

8.

Why are food webs more realistic than single food chains?

9.

What type of boundary forms when plates move apart?

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 17
  1. What does conservation of energy mean?Energy changes form but is not created or destroyed
  2. Why do seasons occur?Earth's tilt as it orbits the Sun
  3. What is density?Mass per unit volume
  4. Which layer of Earth is liquid iron and nickel?Outer core
  5. What is the role of chlorophyll?Absorb light for photosynthesis
  6. State Newton's third-law force pair when swimming.Push water back; water pushes swimmer forward
  7. What transfers traits from parents to offspring?Genes
  8. Why are food webs more realistic than single food chains?Organisms have multiple food sources and predators
  9. What type of boundary forms when plates move apart?Divergent boundary
  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.