
Grade 3 · Science · Building Confidence
Free Science Review worksheet - version 19
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-1AA35JU-120T
1.What is water vapor changing to liquid called?
2.Why do shadows change during the day?
3.Which gas do humans breathe in for respiration?
4.Which planet is known for its rings?
5.What causes day and night?
6.What structure protects a plant cell but not an animal cell?
7.Name the three main rock types.
8.What type of energy is stored in food?
9.What causes sound?
10.Which organ pumps blood?
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 19
- What is water vapor changing to liquid called?Condensation
- Why do shadows change during the day?The Sun's apparent position changes
- Which gas do humans breathe in for respiration?Oxygen
- Which planet is known for its rings?Saturn
- What causes day and night?Earth's rotation
- What structure protects a plant cell but not an animal cell?Cell wall
- Name the three main rock types.Igneous, sedimentary, and metamorphic
- What type of energy is stored in food?Chemical energy
- What causes sound?Vibrations
- Which organ pumps blood?The heart
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.