
Grade 3 · Science · Building Confidence
Free Science Review worksheet - version 7
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-1MFI081-120T
1.Name the three main rock types.
2.What is a food chain's first energy source?
3.Which simple machine is a ramp?
4.What is an animal that eats plants called?
5.Which planet is known for its rings?
6.Which organ pumps blood?
7.What type of energy is stored in food?
8.What causes day and night?
9.What causes sound?
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 7
- Name the three main rock types.Igneous, sedimentary, and metamorphic
- What is a food chain's first energy source?The Sun
- Which simple machine is a ramp?Inclined plane
- What is an animal that eats plants called?Herbivore
- Which planet is known for its rings?Saturn
- Which organ pumps blood?The heart
- What type of energy is stored in food?Chemical energy
- What causes day and night?Earth's rotation
- What causes sound?Vibrations
- 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.