Grade 4 · Science · Challenge
Free Science Review worksheet - version 3
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-10Q85ZI-DBMY
1.Why do seasons occur?
2.What type of boundary forms when plates move apart?
3.Which layer of Earth is liquid iron and nickel?
4.How do greenhouse gases warm Earth?
5.What is density?
6.What is the pH of a neutral solution?
7.Which blood cells fight infection?
8.What transfers traits from parents to offspring?
9.What cell structure contains genetic material?
10.What is the role of chlorophyll?
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 3
- Why do seasons occur?Earth's tilt as it orbits the Sun
- What type of boundary forms when plates move apart?Divergent boundary
- Which layer of Earth is liquid iron and nickel?Outer core
- How do greenhouse gases warm Earth?They absorb and re-emit infrared energy
- What is density?Mass per unit volume
- What is the pH of a neutral solution?7
- Which blood cells fight infection?White blood cells
- What transfers traits from parents to offspring?Genes
- What cell structure contains genetic material?The nucleus
- What is the role of chlorophyll?Absorb light for photosynthesis
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.