
Grade 2 · Science · On Level
Free Science Review worksheet - version 1
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-1KE6RNM-L6W9
1.What is water vapor changing to liquid called?
2.What causes day and night?
3.Which organ pumps blood?
4.What causes sound?
5.Which gas do humans breathe in for respiration?
6.Which planet is known for its rings?
7.What is the freezing point of water in Celsius?
8.Name the three main rock types.
9.What type of energy is stored in food?
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 1
- What is water vapor changing to liquid called?Condensation
- What causes day and night?Earth's rotation
- Which organ pumps blood?The heart
- What causes sound?Vibrations
- Which gas do humans breathe in for respiration?Oxygen
- Which planet is known for its rings?Saturn
- What is the freezing point of water in Celsius?0°C
- Name the three main rock types.Igneous, sedimentary, and metamorphic
- What type of energy is stored in food?Chemical energy
- 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.