
Grade 3 · Science · On Level
Free Science Review worksheet - version 8
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-10WNHS-1OA7
1.What is an animal that eats plants called?
2.What causes day and night?
3.What type of energy is stored in food?
4.What role does a mushroom often have in an ecosystem?
5.Which planet is known for its rings?
6.Why do shadows change during the day?
7.What is the freezing point of water in Celsius?
8.What is a food chain's first energy source?
9.Which gas do humans breathe in for respiration?
10.Which organ pumps blood?
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 8
- What is an animal that eats plants called?Herbivore
- What causes day and night?Earth's rotation
- What type of energy is stored in food?Chemical energy
- What role does a mushroom often have in an ecosystem?Decomposer
- Which planet is known for its rings?Saturn
- Why do shadows change during the day?The Sun's apparent position changes
- What is the freezing point of water in Celsius?0°C
- What is a food chain's first energy source?The Sun
- Which gas do humans breathe in for respiration?Oxygen
- Which organ pumps blood?The heart
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.