
Grade 3 · Science · On Level
Free Science Review worksheet - version 14
Grade 3 science review matched to the learner's current level. This printable version includes 10 grade-appropriate questions and a separate answer sheet.
Science Review
Grade 3 · On-level practice · 10 questions · Version PG-BYPMNX-1OA7
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
- Which organ pumps blood?The heart
- What is an animal that eats plants called?Herbivore
- What causes day and night?Earth's rotation
- Which simple machine is a ramp?Inclined plane
- What causes sound?Vibrations
- Which planet is known for its rings?Saturn
- What type of energy is stored in food?Chemical energy
- What process lets plants make food using light?Photosynthesis
- What role does a mushroom often have in an ecosystem?Decomposer
- 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.