Grade 3 · Science · On Level
Free Science Review worksheet - version 1
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-3IT2QJ-1OA7
1.What causes day and night?
2.Which gas do humans breathe in for respiration?
3.What type of energy is stored in food?
4.What causes sound?
5.What process lets plants make food using light?
6.What structure protects a plant cell but not an animal cell?
7.Why do shadows change during the day?
8.What is a food chain's first energy source?
9.What is water vapor changing to liquid called?
10.What role does a mushroom often have in an ecosystem?
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 1
- What causes day and night?Earth's rotation
- Which gas do humans breathe in for respiration?Oxygen
- What type of energy is stored in food?Chemical energy
- What causes sound?Vibrations
- What process lets plants make food using light?Photosynthesis
- What structure protects a plant cell but not an animal cell?Cell wall
- Why do shadows change during the day?The Sun's apparent position changes
- What is a food chain's first energy source?The Sun
- What is water vapor changing to liquid called?Condensation
- What role does a mushroom often have in an ecosystem?Decomposer
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.