Read About It Chemical Changes and Their Properties

A chemical change is a change in matter that produces one or more new ___.

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Remembering

When bread turns brown in a toaster, it is an example of a ___.

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Understanding

Rust is a new substance that forms when iron reacts with ___.

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Remembering

Which of the following is NOT a sign of a chemical change?

• Change in shape

• Production of gas

• Change in color

• Formation of a precipitate

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Evaluating

What happens to the properties of substances after a chemical change?

• They remain the same

• They become identical

• They change

• They disappear

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Understanding

Which of the following is an example of a chemical change?

• Melting ice

• Baking cookies

• Cutting paper

• Boiling water

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Remembering

What evidence indicates a chemical change when a marshmallow is roasted over a campfire?

• It melts

• It changes color

• It becomes sticky

• It cools down

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Evaluating