Grade 2 · Science · Challenge
Free Science Review worksheet - version 7
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 · Stretch challenge · 10 questions · Version PG-WR7PVS-KTCW
1.What type of energy is stored in food?
2.What role does a mushroom often have in an ecosystem?
3.What is the freezing point of water in Celsius?
4.What is water vapor changing to liquid called?
5.What structure protects a plant cell but not an animal cell?
6.What causes sound?
7.What is a food chain's first energy source?
8.Why do shadows change during the day?
9.Which organ pumps blood?
10.What causes day and night?
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 7
- What type of energy is stored in food?Chemical energy
- What role does a mushroom often have in an ecosystem?Decomposer
- What is the freezing point of water in Celsius?0°C
- What is water vapor changing to liquid called?Condensation
- What structure protects a plant cell but not an animal cell?Cell wall
- What causes sound?Vibrations
- What is a food chain's first energy source?The Sun
- Why do shadows change during the day?The Sun's apparent position changes
- Which organ pumps blood?The heart
- What causes day and night?Earth's rotation
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.