
Grade 3 · Science · On Level
Free Science Review worksheet - version 16
Grade 3 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 3 · On-level practice · 10 questions · Version PG-BEQF9Z-1OA7
1.What is water vapor changing to liquid called?
2.Which organ pumps blood?
3.What process lets plants make food using light?
4.What is the freezing point of water in Celsius?
5.Name the three main rock types.
6.What role does a mushroom often have in an ecosystem?
7.Which planet is known for its rings?
8.Why do shadows change during the day?
9.Which simple machine is a ramp?
10.Which gas do humans breathe in for respiration?
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 is water vapor changing to liquid called?Condensation
- Which organ pumps blood?The heart
- What process lets plants make food using light?Photosynthesis
- What is the freezing point of water in Celsius?0°C
- Name the three main rock types.Igneous, sedimentary, and metamorphic
- What role does a mushroom often have in an ecosystem?Decomposer
- Which planet is known for its rings?Saturn
- Why do shadows change during the day?The Sun's apparent position changes
- Which simple machine is a ramp?Inclined plane
- Which gas do humans breathe in for respiration?Oxygen
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.