Grade 3 · Science · Building Confidence
Free Science Review worksheet - version 20
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-1A06PCU-120T
1.Why do shadows change during the day?
2.Name the three main rock types.
3.What causes sound?
4.Which gas do humans breathe in for respiration?
5.Which planet is known for its rings?
6.What is the freezing point of water in Celsius?
7.What role does a mushroom often have in an ecosystem?
8.What process lets plants make food using light?
9.Which organ pumps blood?
10.What type of energy is stored in food?
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 20
- Why do shadows change during the day?The Sun's apparent position changes
- Name the three main rock types.Igneous, sedimentary, and metamorphic
- What causes sound?Vibrations
- Which gas do humans breathe in for respiration?Oxygen
- Which planet is known for its rings?Saturn
- What is the freezing point of water in Celsius?0°C
- What role does a mushroom often have in an ecosystem?Decomposer
- What process lets plants make food using light?Photosynthesis
- Which organ pumps blood?The heart
- What type of energy is stored in food?Chemical energy
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.