Multiple choice

Which answer shows examples of chemical changes?

  1. cutting vegetables, mowing the lawn, freezing water

  2. building a fire, making toast, breaking a pencil

  3. fireworks, baking a cake, digesting food

  4. cutting your hair, burning paper, melting ice cream
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Chemical changes result in the formation of new substances. Fireworks, baking a cake, and digesting food all involve chemical reactions that create new chemical products.

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