Grade 3 · Science · On Level
Free Science Review worksheet - version 18
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-8MUEC9-1OA7
1.Why do shadows change during the day?
2.What process lets plants make food using light?
3.Which gas do humans breathe in for respiration?
4.What role does a mushroom often have in an ecosystem?
5.What is water vapor changing to liquid called?
6.What is the freezing point of water in Celsius?
7.What is a food chain's first energy source?
8.What causes sound?
9.Which organ pumps blood?
10.Which planet is known for its rings?
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 18
- Why do shadows change during the day?The Sun's apparent position changes
- What process lets plants make food using light?Photosynthesis
- Which gas do humans breathe in for respiration?Oxygen
- What role does a mushroom often have in an ecosystem?Decomposer
- 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
- What causes sound?Vibrations
- Which organ pumps blood?The heart
- Which planet is known for its rings?Saturn
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.