Grade 2 · Science · Challenge
Free Science Review worksheet - version 17
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-O5LGTZ-KTCW
1.What is water vapor changing to liquid called?
2.What type of energy is stored in food?
3.Which simple machine is a ramp?
4.What is a food chain's first energy source?
5.Which gas do humans breathe in for respiration?
6.What role does a mushroom often have in an ecosystem?
7.What is the freezing point of water in Celsius?
8.What process lets plants make food using light?
9.Name the three main rock types.
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 17
- What is water vapor changing to liquid called?Condensation
- What type of energy is stored in food?Chemical energy
- Which simple machine is a ramp?Inclined plane
- What is a food chain's first energy source?The Sun
- Which gas do humans breathe in for respiration?Oxygen
- What role does a mushroom often have in an ecosystem?Decomposer
- What is the freezing point of water in Celsius?0°C
- What process lets plants make food using light?Photosynthesis
- Name the three main rock types.Igneous, sedimentary, and metamorphic
- 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.