PencilGoPencilGo

Science Review

Grade 4 · Building confidence · 10 questions · Version PG-LLK4AB-1RT1

1.

Name the three main rock types.

2.

What is the freezing point of water in Celsius?

3.

What type of energy is stored in food?

4.

What causes day and night?

5.

What process lets plants make food using light?

6.

Which organ pumps blood?

7.

Which gas do humans breathe in for respiration?

8.

Which simple machine is a ramp?

9.

Why do shadows change during the day?

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 6
  1. Name the three main rock types.Igneous, sedimentary, and metamorphic
  2. What is the freezing point of water in Celsius?0°C
  3. What type of energy is stored in food?Chemical energy
  4. What causes day and night?Earth's rotation
  5. What process lets plants make food using light?Photosynthesis
  6. Which organ pumps blood?The heart
  7. Which gas do humans breathe in for respiration?Oxygen
  8. Which simple machine is a ramp?Inclined plane
  9. Why do shadows change during the day?The Sun's apparent position changes
  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.