Grade 3 · Science · Building Confidence
Free Science Review worksheet - version 3
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 · Building confidence · 10 questions · Version PG-1NJGEZX-120T
1.Which organ pumps blood?
2.What causes day and night?
3.What is water vapor changing to liquid called?
4.Name the three main rock types.
5.Which planet is known for its rings?
6.What structure protects a plant cell but not an animal cell?
7.What process lets plants make food using light?
8.Which simple machine is a ramp?
9.Which gas do humans breathe in for respiration?
10.Why do shadows change during the day?
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 3
- Which organ pumps blood?The heart
- What causes day and night?Earth's rotation
- What is water vapor changing to liquid called?Condensation
- Name the three main rock types.Igneous, sedimentary, and metamorphic
- Which planet is known for its rings?Saturn
- What structure protects a plant cell but not an animal cell?Cell wall
- What process lets plants make food using light?Photosynthesis
- Which simple machine is a ramp?Inclined plane
- Which gas do humans breathe in for respiration?Oxygen
- Why do shadows change during the day?The Sun's apparent position changes
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.