
Grade 3 · Science · Building Confidence
Free Science Review worksheet - version 17
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 · Building confidence · 10 questions · Version PG-16E8PU8-120T
1.What structure protects a plant cell but not an animal cell?
2.What type of energy is stored in food?
3.What role does a mushroom often have in an ecosystem?
4.What causes day and night?
5.Which simple machine is a ramp?
6.What is an animal that eats plants called?
7.Which organ pumps blood?
8.What is water vapor changing to liquid called?
9.What is the freezing point of water in Celsius?
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 17
- What structure protects a plant cell but not an animal cell?Cell wall
- What type of energy is stored in food?Chemical energy
- What role does a mushroom often have in an ecosystem?Decomposer
- What causes day and night?Earth's rotation
- Which simple machine is a ramp?Inclined plane
- What is an animal that eats plants called?Herbivore
- Which organ pumps blood?The heart
- What is water vapor changing to liquid called?Condensation
- What is the freezing point of water in Celsius?0°C
- 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.