Grade 3 · Science · Building Confidence
Free Science Review worksheet - version 4
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-1LLJ754-120T
1.What is a food chain's first energy source?
2.What structure protects a plant cell but not an animal cell?
3.What causes sound?
4.Which organ pumps blood?
5.Which simple machine is a ramp?
6.Which gas do humans breathe in for respiration?
7.What is water vapor changing to liquid called?
8.What is an animal that eats plants called?
9.Which planet is known for its rings?
10.What process lets plants make food using light?
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 4
- What is a food chain's first energy source?The Sun
- What structure protects a plant cell but not an animal cell?Cell wall
- What causes sound?Vibrations
- Which organ pumps blood?The heart
- Which simple machine is a ramp?Inclined plane
- Which gas do humans breathe in for respiration?Oxygen
- What is water vapor changing to liquid called?Condensation
- What is an animal that eats plants called?Herbivore
- Which planet is known for its rings?Saturn
- What process lets plants make food using light?Photosynthesis
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.