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Science Review

Grade 2 · On-level practice · 10 questions · Version PG-1K475YN-L6W9

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1.What is the freezing point of water in Celsius?
2.What type of energy is stored in food?
3.Which organ pumps blood?
4.What causes sound?
5.What causes day and night?
6.Which planet is known for its rings?
7.What is a food chain's first energy source?
8.What role does a mushroom often have in an ecosystem?
9.What is an animal that eats plants called?
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 2
  1. What is the freezing point of water in Celsius?0°C
  2. What type of energy is stored in food?Chemical energy
  3. Which organ pumps blood?The heart
  4. What causes sound?Vibrations
  5. What causes day and night?Earth's rotation
  6. Which planet is known for its rings?Saturn
  7. What is a food chain's first energy source?The Sun
  8. What role does a mushroom often have in an ecosystem?Decomposer
  9. What is an animal that eats plants called?Herbivore
  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.