Grade 3 · Science · On Level
Free Science Review worksheet - version 19
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-8CUSNA-1OA7
1.What causes sound?
2.Which simple machine is a ramp?
3.Name the three main rock types.
4.What role does a mushroom often have in an ecosystem?
5.Which gas do humans breathe in for respiration?
6.What type of energy is stored in food?
7.What structure protects a plant cell but not an animal cell?
8.Which planet is known for its rings?
9.What is the freezing point of water in Celsius?
10.Why do shadows change during the day?
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 19
- What causes sound?Vibrations
- Which simple machine is a ramp?Inclined plane
- Name the three main rock types.Igneous, sedimentary, and metamorphic
- What role does a mushroom often have in an ecosystem?Decomposer
- Which gas do humans breathe in for respiration?Oxygen
- What type of energy is stored in food?Chemical energy
- What structure protects a plant cell but not an animal cell?Cell wall
- Which planet is known for its rings?Saturn
- What is the freezing point of water in Celsius?0°C
- Why do shadows change during the day?The Sun's apparent position changes
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.