Grade 2 · Science · Challenge
Free Science Review worksheet - version 4
Grade 2 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 2 · Stretch challenge · 10 questions · Version PG-XL6IYP-KTCW
1.Name the three main rock types.
2.What is an animal that eats plants called?
3.Why do shadows change during the day?
4.What causes sound?
5.What structure protects a plant cell but not an animal cell?
6.What process lets plants make food using light?
7.Which organ pumps blood?
8.Which gas do humans breathe in for respiration?
9.What is a food chain's first energy source?
10.What role does a mushroom often have in an ecosystem?
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 4
- Name the three main rock types.Igneous, sedimentary, and metamorphic
- What is an animal that eats plants called?Herbivore
- Why do shadows change during the day?The Sun's apparent position changes
- What causes sound?Vibrations
- What structure protects a plant cell but not an animal cell?Cell wall
- What process lets plants make food using light?Photosynthesis
- Which organ pumps blood?The heart
- Which gas do humans breathe in for respiration?Oxygen
- What is a food chain's first energy source?The Sun
- What role does a mushroom often have in an ecosystem?Decomposer
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.