Grade 4 · Science · Challenge
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 · Stretch challenge · 10 questions · Version PG-NTXDYM-DBMY
1.Which blood cells fight infection?
2.What is the role of chlorophyll?
3.What is the pH of a neutral solution?
4.What is the difference between weather and climate?
5.What transfers traits from parents to offspring?
6.What cell structure contains genetic material?
7.What does conservation of energy mean?
8.Why do seasons occur?
9.How do greenhouse gases warm Earth?
10.What evidence shows a chemical reaction occurred?
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
- Which blood cells fight infection?White blood cells
- What is the role of chlorophyll?Absorb light for photosynthesis
- What is the pH of a neutral solution?7
- What is the difference between weather and climate?Weather is short-term; climate is long-term patterns
- What transfers traits from parents to offspring?Genes
- What cell structure contains genetic material?The nucleus
- What does conservation of energy mean?Energy changes form but is not created or destroyed
- Why do seasons occur?Earth's tilt as it orbits the Sun
- How do greenhouse gases warm Earth?They absorb and re-emit infrared energy
- What evidence shows a chemical reaction occurred?New substances form
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.