Grade 4 · Science · On Level
Free Science Review worksheet - version 14
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-1IGU3QO-102C
1.What is the difference between weather and climate?
2.What cell structure contains genetic material?
3.State Newton's third-law force pair when swimming.
4.Which layer of Earth is liquid iron and nickel?
5.What does conservation of energy mean?
6.What evidence shows a chemical reaction occurred?
7.How do greenhouse gases warm Earth?
8.Why are food webs more realistic than single food chains?
9.Why do seasons occur?
10.Why does salt lower water's freezing point?
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 14
- 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
- State Newton's third-law force pair when swimming.Push water back; water pushes swimmer forward
- Which layer of Earth is liquid iron and nickel?Outer core
- What does conservation of energy mean?Energy changes form but is not created or destroyed
- What evidence shows a chemical reaction occurred?New substances form
- How do greenhouse gases warm Earth?They absorb and re-emit infrared energy
- Why are food webs more realistic than single food chains?Organisms have multiple food sources and predators
- Why do seasons occur?Earth's tilt as it orbits the Sun
- Why does salt lower water's freezing point?It disrupts ice crystal formation
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.