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Science Review

Grade 4 · Building confidence · 10 questions · Version PG-1A2JU1P-1RT1

1.

Why do shadows change during the day?

2.

What is the freezing point of water in Celsius?

3.

What is a food chain's first energy source?

4.

Which organ pumps blood?

5.

What is an animal that eats plants called?

6.

Which simple machine is a ramp?

7.

What is water vapor changing to liquid called?

8.

Which planet is known for its rings?

9.

What process lets plants make food using light?

10.

Name the three main rock types.

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. Why do shadows change during the day?The Sun's apparent position changes
  2. What is the freezing point of water in Celsius?0°C
  3. What is a food chain's first energy source?The Sun
  4. Which organ pumps blood?The heart
  5. What is an animal that eats plants called?Herbivore
  6. Which simple machine is a ramp?Inclined plane
  7. What is water vapor changing to liquid called?Condensation
  8. Which planet is known for its rings?Saturn
  9. What process lets plants make food using light?Photosynthesis
  10. Name the three main rock types.Igneous, sedimentary, and metamorphic

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.