Grade 4 · Science · Challenge
Free Science Review worksheet - version 10
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-N9Y6KO-DBMY
What does conservation of energy mean?
What cell structure contains genetic material?
What is the pH of a neutral solution?
Why does salt lower water's freezing point?
What is the difference between weather and climate?
State Newton's third-law force pair when swimming.
Which layer of Earth is liquid iron and nickel?
Why are food webs more realistic than single food chains?
What is density?
What evidence shows a chemical reaction occurred?
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 10
- What does conservation of energy mean?Energy changes form but is not created or destroyed
- 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
- 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
- Which layer of Earth is liquid iron and nickel?Outer core
- Why are food webs more realistic than single food chains?Organisms have multiple food sources and predators
- What is density?Mass per unit volume
- What evidence shows a chemical reaction occurred?New substances form
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.