
Grade 4 · Science · Building Confidence
Free Science Review worksheet - version 7
Grade 4 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 4 · Building confidence · 10 questions · Version PG-LBKILC-1RT1
1.What is a food chain's first energy source?
2.Which organ pumps blood?
3.What is water vapor changing to liquid called?
4.What is the freezing point of water in Celsius?
5.What process lets plants make food using light?
6.Which simple machine is a ramp?
7.Which gas do humans breathe in for respiration?
8.What structure protects a plant cell but not an animal cell?
9.Why do shadows change during the day?
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 7
- What is a food chain's first energy source?The Sun
- Which organ pumps blood?The heart
- What is water vapor changing to liquid called?Condensation
- What is the freezing point of water in Celsius?0°C
- What process lets plants make food using light?Photosynthesis
- Which simple machine is a ramp?Inclined plane
- Which gas do humans breathe in for respiration?Oxygen
- What structure protects a plant cell but not an animal cell?Cell wall
- Why do shadows change during the day?The Sun's apparent position changes
- 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.