Grade 4 · Science · On Level
Free Science Review worksheet - version 17
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-1JASWTL-102C
What transfers traits from parents to offspring?
Why are food webs more realistic than single food chains?
What evidence shows a chemical reaction occurred?
What cell structure contains genetic material?
Which layer of Earth is liquid iron and nickel?
What is the difference between weather and climate?
How do greenhouse gases warm Earth?
Which blood cells fight infection?
What does conservation of energy mean?
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 17
- What transfers traits from parents to offspring?Genes
- Why are food webs more realistic than single food chains?Organisms have multiple food sources and predators
- What evidence shows a chemical reaction occurred?New substances form
- What cell structure contains genetic material?The nucleus
- Which layer of Earth is liquid iron and nickel?Outer core
- What is the difference between weather and climate?Weather is short-term; climate is long-term patterns
- How do greenhouse gases warm Earth?They absorb and re-emit infrared energy
- Which blood cells fight infection?White blood cells
- What does conservation of energy mean?Energy changes form but is not created or destroyed
- 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.