

Grade 4 · Science · On Level
Free Science Review worksheet - version 12
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 · On-level practice · 10 questions · Version PG-1K4RPWI-102C
Why do seasons occur?
What is the role of chlorophyll?
What evidence shows a chemical reaction occurred?
Why are food webs more realistic than single food chains?
State Newton's third-law force pair when swimming.
What is density?
What type of boundary forms when plates move apart?
What does conservation of energy mean?
What is the pH of a neutral solution?
How do greenhouse gases warm Earth?
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 12
- Why do seasons occur?Earth's tilt as it orbits the Sun
- What is the role of chlorophyll?Absorb light for photosynthesis
- What evidence shows a chemical reaction occurred?New substances form
- Why are food webs more realistic than single food chains?Organisms have multiple food sources and predators
- State Newton's third-law force pair when swimming.Push water back; water pushes swimmer forward
- What is density?Mass per unit volume
- What type of boundary forms when plates move apart?Divergent boundary
- What does conservation of energy mean?Energy changes form but is not created or destroyed
- What is the pH of a neutral solution?7
- How do greenhouse gases warm Earth?They absorb and re-emit infrared 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.