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Science Review

Grade 4 · Building confidence · 10 questions · Version PG-LVJPZA-1RT1

Children investigate a leaf and a frog with a caregiver beside a pond.
1.

What process lets plants make food using light?

2.

What is the freezing point of water in Celsius?

3.

What causes sound?

4.

Which organ pumps blood?

5.

What is an animal that eats plants called?

6.

What is a food chain's first energy source?

7.

What role does a mushroom often have in an ecosystem?

8.

Name the three main rock types.

9.

Which planet is known for its rings?

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 5
  1. What process lets plants make food using light?Photosynthesis
  2. What is the freezing point of water in Celsius?0°C
  3. What causes sound?Vibrations
  4. Which organ pumps blood?The heart
  5. What is an animal that eats plants called?Herbivore
  6. What is a food chain's first energy source?The Sun
  7. What role does a mushroom often have in an ecosystem?Decomposer
  8. Name the three main rock types.Igneous, sedimentary, and metamorphic
  9. Which planet is known for its rings?Saturn
  10. 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.