Grade 4 · Science · Building Confidence
Free Science Review worksheet - version 9
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-P7EYAY-1RT1
What structure protects a plant cell but not an animal cell?
Which organ pumps blood?
Which gas do humans breathe in for respiration?
What role does a mushroom often have in an ecosystem?
Which planet is known for its rings?
Why do shadows change during the day?
What causes day and night?
Which simple machine is a ramp?
What is the freezing point of water in Celsius?
What is a food chain's first energy source?
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 9
- What structure protects a plant cell but not an animal cell?Cell wall
- Which organ pumps blood?The heart
- Which gas do humans breathe in for respiration?Oxygen
- What role does a mushroom often have in an ecosystem?Decomposer
- Which planet is known for its rings?Saturn
- Why do shadows change during the day?The Sun's apparent position changes
- What causes day and night?Earth's rotation
- Which simple machine is a ramp?Inclined plane
- What is the freezing point of water in Celsius?0°C
- What is a food chain's first energy source?The Sun
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.