
Grade 3 · Science · Building Confidence
Free Science Review worksheet - version 5
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-1LVISU3-120T
1.What is water vapor changing to liquid called?
2.What structure protects a plant cell but not an animal cell?
3.What type of energy is stored in food?
4.Name the three main rock types.
5.What is a food chain's first energy source?
6.Which organ pumps blood?
7.What is the freezing point of water in Celsius?
8.Which gas do humans breathe in for respiration?
9.Which planet is known for its rings?
10.Which simple machine is a ramp?
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 5
- What is water vapor changing to liquid called?Condensation
- What structure protects a plant cell but not an animal cell?Cell wall
- What type of energy is stored in food?Chemical energy
- Name the three main rock types.Igneous, sedimentary, and metamorphic
- What is a food chain's first energy source?The Sun
- Which organ pumps blood?The heart
- What is the freezing point of water in Celsius?0°C
- Which gas do humans breathe in for respiration?Oxygen
- Which planet is known for its rings?Saturn
- Which simple machine is a ramp?Inclined plane
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.