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7th Grade Physical and Chemical Changes Worksheets

Ages 12-13 · Free previews · Print-ready PDFs

Written by Adi Ackerman, Head Teacher

These 7th grade physical and chemical changes worksheets help students tell a mixture from a reaction. Students count atoms before and after in particle diagrams, follow concrete from quarry to mixer, write equations from descriptions and balance equations with a tally. All 4 sheets have answer keys.

More matter worksheets

Explore all of our 7th grade matter worksheets, covering atoms and molecules, the periodic table, physical and chemical changes, states and properties of matter, and more.

Frequently Asked Questions

In a reaction, atoms join new partners, so the after box holds particles that were not there before. In a mixture, the same particles appear before and after.

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