Grade 4 · Science · Challenge
Free Science Review worksheet - version 2
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 · Stretch challenge · 10 questions · Version PG-1107ROH-DBMY
1.Why do seasons occur?
2.What cell structure contains genetic material?
3.State Newton's third-law force pair when swimming.
4.Which blood cells fight infection?
5.What type of boundary forms when plates move apart?
6.What is density?
7.What does conservation of energy mean?
8.Why are food webs more realistic than single food chains?
9.What is the role of chlorophyll?
10.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 2
- Why do seasons occur?Earth's tilt as it orbits the Sun
- What cell structure contains genetic material?The nucleus
- State Newton's third-law force pair when swimming.Push water back; water pushes swimmer forward
- Which blood cells fight infection?White blood cells
- What type of boundary forms when plates move apart?Divergent boundary
- What is density?Mass per unit volume
- What does conservation of energy mean?Energy changes form but is not created or destroyed
- Why are food webs more realistic than single food chains?Organisms have multiple food sources and predators
- What is the role of chlorophyll?Absorb light for photosynthesis
- 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.