
Grade 2 · Science · On Level
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 · On-level practice · 10 questions · Version PG-1B5OZCF-L6W9
1.Which simple machine is a ramp?
2.What is water vapor changing to liquid called?
3.Why do shadows change during the day?
4.Which organ pumps blood?
5.What causes day and night?
6.What is the freezing point of water in Celsius?
7.What process lets plants make food using light?
8.Name the three main rock types.
9.Which gas do humans breathe in for respiration?
10.What role does a mushroom often have in an ecosystem?
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
- Which simple machine is a ramp?Inclined plane
- What is water vapor changing to liquid called?Condensation
- 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
- 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
- Which gas do humans breathe in for respiration?Oxygen
- What role does a mushroom often have in an ecosystem?Decomposer
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.