
Grade 5 · Science · Challenge
Free Science Review worksheet - version 6
Grade 5 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 5 · Stretch challenge · 10 questions · Version PG-1HMXJ0U-178N
1.Why do seasons occur?
2.What evidence shows a chemical reaction occurred?
3.What transfers traits from parents to offspring?
4.Which layer of Earth is liquid iron and nickel?
5.Which blood cells fight infection?
6.Why are food webs more realistic than single food chains?
7.State Newton's third-law force pair when swimming.
8.What is the role of chlorophyll?
9.Why does salt lower water's freezing point?
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 6
- Why do seasons occur?Earth's tilt as it orbits the Sun
- What evidence shows a chemical reaction occurred?New substances form
- What transfers traits from parents to offspring?Genes
- Which layer of Earth is liquid iron and nickel?Outer core
- Which blood cells fight infection?White blood cells
- 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 the role of chlorophyll?Absorb light for photosynthesis
- Why does salt lower water's freezing point?It disrupts ice crystal formation
- 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.