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Science Review

Grade 3 · On-level practice · 10 questions · Version PG-56QOWD-1OA7

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1.Which organ pumps blood?
2.What is the freezing point of water in Celsius?
3.Which simple machine is a ramp?
4.What causes day and night?
5.Why do shadows change during the day?
6.What type of energy is stored in food?
7.Name the three main rock types.
8.What role does a mushroom often have in an ecosystem?
9.What is an animal that eats plants called?
10.What is water vapor changing to liquid called?

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 7
  1. Which organ pumps blood?The heart
  2. What is the freezing point of water in Celsius?0°C
  3. Which simple machine is a ramp?Inclined plane
  4. What causes day and night?Earth's rotation
  5. Why do shadows change during the day?The Sun's apparent position changes
  6. What type of energy is stored in food?Chemical energy
  7. Name the three main rock types.Igneous, sedimentary, and metamorphic
  8. What role does a mushroom often have in an ecosystem?Decomposer
  9. What is an animal that eats plants called?Herbivore
  10. What is water vapor changing to liquid called?Condensation

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.