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Science Review

Grade 4 · Building confidence · 10 questions · Version PG-M5JBO9-1RT1

Children investigate a leaf and a frog with a caregiver beside a pond.
1.

What is an animal that eats plants called?

2.

What causes day and night?

3.

What is water vapor changing to liquid called?

4.

Why do shadows change during the day?

5.

What role does a mushroom often have in an ecosystem?

6.

What causes sound?

7.

Which simple machine is a ramp?

8.

What structure protects a plant cell but not an animal cell?

9.

What is a food chain's first energy source?

10.

Which planet is known for its rings?

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 4
  1. What is an animal that eats plants called?Herbivore
  2. What causes day and night?Earth's rotation
  3. What is water vapor changing to liquid called?Condensation
  4. Why do shadows change during the day?The Sun's apparent position changes
  5. What role does a mushroom often have in an ecosystem?Decomposer
  6. What causes sound?Vibrations
  7. Which simple machine is a ramp?Inclined plane
  8. What structure protects a plant cell but not an animal cell?Cell wall
  9. What is a food chain's first energy source?The Sun
  10. Which planet is known for its rings?Saturn

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.