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Science Review

Grade 3 · Building confidence · 10 questions · Version PG-1787IX5-120T

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1.What causes sound?
2.Which simple machine is a ramp?
3.What type of energy is stored in food?
4.What is the freezing point of water in Celsius?
5.What is a food chain's first energy source?
6.Which planet is known for its rings?
7.What structure protects a plant cell but not an animal cell?
8.What process lets plants make food using light?
9.Why do shadows change during the day?
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 14
  1. What causes sound?Vibrations
  2. Which simple machine is a ramp?Inclined plane
  3. What type of energy is stored in food?Chemical energy
  4. What is the freezing point of water in Celsius?0°C
  5. What is a food chain's first energy source?The Sun
  6. Which planet is known for its rings?Saturn
  7. What structure protects a plant cell but not an animal cell?Cell wall
  8. What process lets plants make food using light?Photosynthesis
  9. Why do shadows change during the day?The Sun's apparent position changes
  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.