Grade 4 · Science · On Level
Free Science Review worksheet - version 13
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-1KERBLH-102C
1.What is the difference between weather and climate?
2.What type of boundary forms when plates move apart?
3.Why do seasons occur?
4.How do greenhouse gases warm Earth?
5.What cell structure contains genetic material?
6.What is the pH of a neutral solution?
7.Why does salt lower water's freezing point?
8.Which blood cells fight infection?
9.What is the role of chlorophyll?
10.Why are food webs more realistic than single food chains?
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 13
- What is the difference between weather and climate?Weather is short-term; climate is long-term patterns
- What type of boundary forms when plates move apart?Divergent boundary
- 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 cell structure contains genetic material?The nucleus
- What is the pH of a neutral solution?7
- Why does salt lower water's freezing point?It disrupts ice crystal formation
- Which blood cells fight infection?White blood cells
- What is the role of chlorophyll?Absorb light for photosynthesis
- Why are food webs more realistic than single food chains?Organisms have multiple food sources and predators
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.