Grade 3 · Science · On Level
Free Science Review worksheet - version 3
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-42SA4H-1OA7
1.What process lets plants make food using light?
2.What is the freezing point of water in Celsius?
3.Why do shadows change during the day?
4.What is an animal that eats plants called?
5.What causes sound?
6.Which gas do humans breathe in for respiration?
7.Which organ pumps blood?
8.What is a food chain's first energy source?
9.What causes day and night?
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 3
- What process lets plants make food using light?Photosynthesis
- What is the freezing point of water in Celsius?0°C
- Why do shadows change during the day?The Sun's apparent position changes
- What is an animal that eats plants called?Herbivore
- What causes sound?Vibrations
- Which gas do humans breathe in for respiration?Oxygen
- Which organ pumps blood?The heart
- What is a food chain's first energy source?The Sun
- What causes day and night?Earth's rotation
- 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.