PencilGo

Science Review

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

Free printable
1.Which organ pumps blood?
2.What is an animal that eats plants called?
3.What causes day and night?
4.Which simple machine is a ramp?
5.What causes sound?
6.Which planet is known for its rings?
7.What type of energy is stored in food?
8.What process lets plants make food using light?
9.What role does a mushroom often have in an ecosystem?
10.Which gas do humans breathe in for respiration?

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. Which organ pumps blood?The heart
  2. What is an animal that eats plants called?Herbivore
  3. What causes day and night?Earth's rotation
  4. Which simple machine is a ramp?Inclined plane
  5. What causes sound?Vibrations
  6. Which planet is known for its rings?Saturn
  7. What type of energy is stored in food?Chemical energy
  8. What process lets plants make food using light?Photosynthesis
  9. What role does a mushroom often have in an ecosystem?Decomposer
  10. Which gas do humans breathe in for respiration?Oxygen

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.