Grade 1 · Science · Challenge
Free Science Review worksheet - version 2
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-10I96LQ-FSI3
1.Which gas do humans breathe in for respiration?
2.What is a food chain's first energy source?
3.What process lets plants make food using light?
4.Why do shadows change during the day?
5.Which organ pumps blood?
6.What structure protects a plant cell but not an animal cell?
7.Which simple machine is a ramp?
8.What is the freezing point of water in Celsius?
9.What is water vapor changing to liquid called?
10.What is an animal that eats plants called?
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 2
- Which gas do humans breathe in for respiration?Oxygen
- What is a food chain's first energy source?The Sun
- What process lets plants make food using light?Photosynthesis
- Why do shadows change during the day?The Sun's apparent position changes
- Which organ pumps blood?The heart
- What structure protects a plant cell but not an animal cell?Cell wall
- Which simple machine is a ramp?Inclined plane
- What is the freezing point of water in Celsius?0°C
- What is water vapor changing to liquid called?Condensation
- What is an animal that eats plants called?Herbivore
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.