

Grade 1 · Science · Challenge
Free Science Review worksheet - version 7
Grade 1 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 1 · Stretch challenge · 10 questions · Version PG-11W772L-FSI3
What causes sound?
What is a food chain's first energy source?
Which planet is known for its rings?
Why do shadows change during the day?
Which simple machine is a ramp?
What is water vapor changing to liquid called?
What role does a mushroom often have in an ecosystem?
What process lets plants make food using light?
Which gas do humans breathe in for respiration?
What is the freezing point of water in Celsius?
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 causes sound?Vibrations
- What is a food chain's first energy source?The Sun
- Which planet is known for its rings?Saturn
- Why do shadows change during the day?The Sun's apparent position changes
- Which simple machine is a ramp?Inclined plane
- What is water vapor changing to liquid called?Condensation
- What role does a mushroom often have in an ecosystem?Decomposer
- What process lets plants make food using light?Photosynthesis
- Which gas do humans breathe in for respiration?Oxygen
- What is the freezing point of water in Celsius?0°C
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.