Grade 4 · Science · Challenge
Free Science Review worksheet - version 5
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-11A7DDG-DBMY
1.Why does salt lower water's freezing point?
2.What is density?
3.What is the difference between weather and climate?
4.State Newton's third-law force pair when swimming.
5.What transfers traits from parents to offspring?
6.Why do seasons occur?
7.What evidence shows a chemical reaction occurred?
8.What is the role of chlorophyll?
9.Which layer of Earth is liquid iron and nickel?
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 5
- Why does salt lower water's freezing point?It disrupts ice crystal formation
- What is density?Mass per unit volume
- What is the difference between weather and climate?Weather is short-term; climate is long-term patterns
- State Newton's third-law force pair when swimming.Push water back; water pushes swimmer forward
- What transfers traits from parents to offspring?Genes
- Why do seasons occur?Earth's tilt as it orbits the Sun
- What evidence shows a chemical reaction occurred?New substances form
- What is the role of chlorophyll?Absorb light for photosynthesis
- Which layer of Earth is liquid iron and nickel?Outer core
- 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.