Grade 4 · Science · Challenge
Free Science Review worksheet - version 4
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-11K6Z2F-DBMY
1.Which blood cells fight infection?
2.What is the role of chlorophyll?
3.What is the difference between weather and climate?
4.What evidence shows a chemical reaction occurred?
5.What cell structure contains genetic material?
6.What is density?
7.Which layer of Earth is liquid iron and nickel?
8.Why does salt lower water's freezing point?
9.What transfers traits from parents to offspring?
10.What is the pH of a neutral solution?
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 4
- Which blood cells fight infection?White blood cells
- What is the role of chlorophyll?Absorb light for photosynthesis
- What is the difference between weather and climate?Weather is short-term; climate is long-term patterns
- What evidence shows a chemical reaction occurred?New substances form
- What cell structure contains genetic material?The nucleus
- What is density?Mass per unit volume
- Which layer of Earth is liquid iron and nickel?Outer core
- Why does salt lower water's freezing point?It disrupts ice crystal formation
- What transfers traits from parents to offspring?Genes
- What is the pH of a neutral solution?7
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.