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Science Review

Grade 4 · Building confidence · 10 questions · Version PG-2SF6XS-1RT1

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

What role does a mushroom often have in an ecosystem?

2.

What process lets plants make food using light?

3.

What is water vapor changing to liquid called?

4.

What type of energy is stored in food?

5.

Which planet is known for its rings?

6.

What causes sound?

7.

What is the freezing point of water in Celsius?

8.

Why do shadows change during the day?

9.

Name the three main rock types.

10.

Which simple machine is a ramp?

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 12
  1. What role does a mushroom often have in an ecosystem?Decomposer
  2. What process lets plants make food using light?Photosynthesis
  3. What is water vapor changing to liquid called?Condensation
  4. What type of energy is stored in food?Chemical energy
  5. Which planet is known for its rings?Saturn
  6. What causes sound?Vibrations
  7. What is the freezing point of water in Celsius?0°C
  8. Why do shadows change during the day?The Sun's apparent position changes
  9. Name the three main rock types.Igneous, sedimentary, and metamorphic
  10. Which simple machine is a ramp?Inclined plane

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.