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Science Review

Grade 3 · Building confidence · 10 questions · Version PG-1826C02-120T

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1.What causes sound?
2.Name the three main rock types.
3.Which planet is known for its rings?
4.What type of energy is stored in food?
5.What is the freezing point of water in Celsius?
6.What is water vapor changing to liquid called?
7.What role does a mushroom often have in an ecosystem?
8.What process lets plants make food using light?
9.Which organ pumps blood?
10.Why do shadows change during the day?

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 11
  1. What causes sound?Vibrations
  2. Name the three main rock types.Igneous, sedimentary, and metamorphic
  3. Which planet is known for its rings?Saturn
  4. What type of energy is stored in food?Chemical energy
  5. What is the freezing point of water in Celsius?0°C
  6. What is water vapor changing to liquid called?Condensation
  7. What role does a mushroom often have in an ecosystem?Decomposer
  8. What process lets plants make food using light?Photosynthesis
  9. Which organ pumps blood?The heart
  10. Why do shadows change during the day?The Sun's apparent position changes

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.