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Science worksheet for elementary students showing example answers about physical and chemical changes including melting metal and gas collection.
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Physical vs. Chemical Changes: Answer Examples

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This printable science worksheet for Grades 3–5 contains four example explanations of physical and chemical changes. Students review how Gallium melting, Mentos and soda fizzing, carbon dioxide in soft drinks, and flame tests demonstrate either physical or chemical change. Useful for science review, homework support, or supplemental teaching material for elementary chemistry concepts.

Subject:
Science
Topic:
Chemistry
Grade Level:
3rd – 5th Grades
Updated September 2025

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