
Grade 2 · Science · On Level
Free Science Review worksheet - version 18
Grade 2 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 2 · On-level practice · 10 questions · Version PG-1CJMZTA-L6W9
1.Which organ pumps blood?
2.Why do shadows change during the day?
3.What is a food chain's first energy source?
4.What is the freezing point of water in Celsius?
5.What structure protects a plant cell but not an animal cell?
6.What type of energy is stored in food?
7.What is water vapor changing to liquid called?
8.Which planet is known for its rings?
9.Which gas do humans breathe in for respiration?
10.Which simple machine is a ramp?
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
- Which organ pumps blood?The heart
- Why do shadows change during the day?The Sun's apparent position changes
- What is a food chain's first energy source?The Sun
- What is the freezing point of water in Celsius?0°C
- What structure protects a plant cell but not an animal cell?Cell wall
- What type of energy is stored in food?Chemical energy
- What is water vapor changing to liquid called?Condensation
- Which planet is known for its rings?Saturn
- Which gas do humans breathe in for respiration?Oxygen
- Which simple machine is a ramp?Inclined plane
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.