
Grade 3 · Science · On Level
Free Science Review worksheet - version 15
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-BOQ0YY-1OA7
1.What is an animal that eats plants called?
2.Which simple machine is a ramp?
3.What causes day and night?
4.What is the freezing point of water in Celsius?
5.Which gas do humans breathe in for respiration?
6.What is water vapor changing to liquid called?
7.What causes sound?
8.What structure protects a plant cell but not an animal cell?
9.Why do shadows change during the day?
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 15
- What is an animal that eats plants called?Herbivore
- Which simple machine is a ramp?Inclined plane
- What causes day and night?Earth's rotation
- What is the freezing point of water in Celsius?0°C
- Which gas do humans breathe in for respiration?Oxygen
- What is water vapor changing to liquid called?Condensation
- What causes sound?Vibrations
- 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 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.