

Grade 4 · Science · Building Confidence
Free Science Review worksheet - version 18
Grade 4 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 4 · Building confidence · 10 questions · Version PG-5KB7VI-1RT1
Which gas do humans breathe in for respiration?
Which organ pumps blood?
What causes sound?
What is water vapor changing to liquid called?
What structure protects a plant cell but not an animal cell?
What is the freezing point of water in Celsius?
Name the three main rock types.
What is a food chain's first energy source?
What causes day and night?
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 18
- Which gas do humans breathe in for respiration?Oxygen
- Which organ pumps blood?The heart
- What causes sound?Vibrations
- What is water vapor changing to liquid called?Condensation
- What structure protects a plant cell but not an animal cell?Cell wall
- What is the freezing point of water in Celsius?0°C
- Name the three main rock types.Igneous, sedimentary, and metamorphic
- What is a food chain's first energy source?The Sun
- What causes day and night?Earth's rotation
- 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.