
Grade 3 · Science · On Level
Free Science Review worksheet - version 10
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-AUR7W1-1OA7
1.What type of energy is stored in food?
2.Which organ pumps blood?
3.Which planet is known for its rings?
4.Which gas do humans breathe in for respiration?
5.What causes day and night?
6.What process lets plants make food using light?
7.What is the freezing point of water in Celsius?
8.What structure protects a plant cell but not an animal cell?
9.What is water vapor changing to liquid called?
10.What is a food chain's first energy source?
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 10
- What type of energy is stored in food?Chemical energy
- Which organ pumps blood?The heart
- Which planet is known for its rings?Saturn
- Which gas do humans breathe in for respiration?Oxygen
- What causes day and night?Earth's rotation
- What process lets plants make food using light?Photosynthesis
- What is the freezing point of water in Celsius?0°C
- What structure protects a plant cell but not an animal cell?Cell wall
- What is water vapor changing to liquid called?Condensation
- What is a food chain's first energy source?The Sun
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.