Grade 4 · Science · On Level
Free Science Review worksheet - version 6
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 · On-level practice · 10 questions · Version PG-WBKY1D-102C
1.Why does salt lower water's freezing point?
2.What is the role of chlorophyll?
3.Why do seasons occur?
4.What is density?
5.What is the difference between weather and climate?
6.What cell structure contains genetic material?
7.What is the pH of a neutral solution?
8.Which blood cells fight infection?
9.How do greenhouse gases warm Earth?
10.What type of boundary forms when plates move apart?
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 does salt lower water's freezing point?It disrupts ice crystal formation
- What is the role of chlorophyll?Absorb light for photosynthesis
- Why do seasons occur?Earth's tilt as it orbits the Sun
- What is density?Mass per unit volume
- What is the difference between weather and climate?Weather is short-term; climate is long-term patterns
- What cell structure contains genetic material?The nucleus
- What is the pH of a neutral solution?7
- Which blood cells fight infection?White blood cells
- How do greenhouse gases warm Earth?They absorb and re-emit infrared energy
- What type of boundary forms when plates move apart?Divergent boundary
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.