Grade 2 · Science · Challenge
Free Science Review worksheet - version 3
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-XV64NO-KTCW
1.What causes sound?
2.Why do shadows change during the day?
3.What role does a mushroom often have in an ecosystem?
4.What is an animal that eats plants called?
5.What structure protects a plant cell but not an animal cell?
6.Which planet is known for its rings?
7.What process lets plants make food using light?
8.What is the freezing point of water in Celsius?
9.What is water vapor changing to liquid called?
10.Which gas do humans breathe in for respiration?
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 causes sound?Vibrations
- Why do shadows change during the day?The Sun's apparent position changes
- What role does a mushroom often have in an ecosystem?Decomposer
- What is an animal that eats plants called?Herbivore
- What structure protects a plant cell but not an animal cell?Cell wall
- Which planet is known for its rings?Saturn
- What process lets plants make food using light?Photosynthesis
- What is the freezing point of water in Celsius?0°C
- What is water vapor changing to liquid called?Condensation
- Which gas do humans breathe in for respiration?Oxygen
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.