Grade 1 · Science · Challenge
Free Science Review worksheet - version 18
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-1CWROK9-FSI3
1.Which gas do humans breathe in for respiration?
2.What is a food chain's first energy source?
3.Which organ pumps blood?
4.What process lets plants make food using light?
5.Name the three main rock types.
6.What structure protects a plant cell but not an animal cell?
7.Which planet is known for its rings?
8.What role does a mushroom often have in an ecosystem?
9.What is water vapor changing to liquid called?
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 18
- Which gas do humans breathe in for respiration?Oxygen
- What is a food chain's first energy source?The Sun
- Which organ pumps blood?The heart
- What process lets plants make food using light?Photosynthesis
- Name the three main rock types.Igneous, sedimentary, and metamorphic
- What structure protects a plant cell but not an animal cell?Cell wall
- Which planet is known for its rings?Saturn
- What role does a mushroom often have in an ecosystem?Decomposer
- What is water vapor changing to liquid called?Condensation
- 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.