Grade 2 · Science · Challenge
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 · Stretch challenge · 10 questions · Version PG-L3PU7A-KTCW
1.What is the freezing point of water in Celsius?
2.What process lets plants make food using light?
3.Which gas do humans breathe in for respiration?
4.Which organ pumps blood?
5.Which planet is known for its rings?
6.What is water vapor changing to liquid called?
7.What causes sound?
8.What role does a mushroom often have in an ecosystem?
9.What is a food chain's first energy source?
10.What is an animal that eats plants called?
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
- What is the freezing point of water in Celsius?0°C
- What process lets plants make food using light?Photosynthesis
- Which gas do humans breathe in for respiration?Oxygen
- Which organ pumps blood?The heart
- Which planet is known for its rings?Saturn
- What is water vapor changing to liquid called?Condensation
- What causes sound?Vibrations
- What role does a mushroom often have in an ecosystem?Decomposer
- What is a food chain's first energy source?The Sun
- What is an animal that eats plants called?Herbivore
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.