
Grade 3 · Science · Building Confidence
Free Science Review worksheet - version 18
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-1AK2R8T-120T
1.What is an animal that eats plants called?
2.What structure protects a plant cell but not an animal cell?
3.What causes day and night?
4.What role does a mushroom often have in an ecosystem?
5.What process lets plants make food using light?
6.What is the freezing point of water in Celsius?
7.Name the three main rock types.
8.Which organ pumps blood?
9.Which gas do humans breathe in for respiration?
10.Which planet is known for its rings?
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 18
- What is an animal that eats plants called?Herbivore
- What structure protects a plant cell but not an animal cell?Cell wall
- What causes day and night?Earth's rotation
- What role does a mushroom often have in an ecosystem?Decomposer
- What process lets plants make food using light?Photosynthesis
- What is the freezing point of water in Celsius?0°C
- Name the three main rock types.Igneous, sedimentary, and metamorphic
- Which organ pumps blood?The heart
- Which gas do humans breathe in for respiration?Oxygen
- Which planet is known for its rings?Saturn
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.