Grade 2 · Science · Challenge
Free Science Review worksheet - version 16
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-NVLV50-KTCW
1.What type of energy is stored in food?
2.Which gas do humans breathe in for respiration?
3.Which organ pumps blood?
4.What process lets plants make food using light?
5.What is water vapor changing to liquid called?
6.What is a food chain's first energy source?
7.Name the three main rock types.
8.Which simple machine is a ramp?
9.Which planet is known for its rings?
10.What causes sound?
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 16
- What type of energy is stored in food?Chemical energy
- Which gas do humans breathe in for respiration?Oxygen
- Which organ pumps blood?The heart
- What process lets plants make food using light?Photosynthesis
- What is water vapor changing to liquid called?Condensation
- What is a food chain's first energy source?The Sun
- Name the three main rock types.Igneous, sedimentary, and metamorphic
- Which simple machine is a ramp?Inclined plane
- Which planet is known for its rings?Saturn
- What causes sound?Vibrations
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.