Grade 3 · Science · Building Confidence
Free Science Review worksheet - version 8
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-1KHKSD8-120T
1.What causes day and night?
2.What is an animal that eats plants called?
3.Which simple machine is a ramp?
4.What is the freezing point of water in Celsius?
5.What structure protects a plant cell but not an animal cell?
6.What role does a mushroom often have in an ecosystem?
7.Name the three main rock types.
8.Which planet is known for its rings?
9.What is a food chain's first energy source?
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 8
- What causes day and night?Earth's rotation
- What is an animal that eats plants called?Herbivore
- Which simple machine is a ramp?Inclined plane
- What is the freezing point of water in Celsius?0°C
- What structure protects a plant cell but not an animal cell?Cell wall
- What role does a mushroom often have in an ecosystem?Decomposer
- Name the three main rock types.Igneous, sedimentary, and metamorphic
- Which planet is known for its rings?Saturn
- What is a food chain's first energy source?The Sun
- 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.