Physical or Chemical Change SC.5.P.9.1

Front

What is a physical change?

Back

A physical change is a change that affects one or more physical properties of a substance without altering its chemical composition. Examples include melting, freezing, and evaporating.

Front

What is a chemical change?

Back

A chemical change is a change that results in the formation of new chemical substances. Examples include burning, rusting, and cooking.

Front

What is a mixture?

Back

A mixture is a combination of two or more substances that are not chemically bonded. Examples include salad, air, and lucky charms.

Front

What is an example of a physical change?

Back

Evaporating water is an example of a physical change.

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What is an example of a chemical change?

Back

Frying eggs is an example of a chemical change.

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What happens during a chemical change?

Back

During a chemical change, the original substances are transformed into different substances with new properties.

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What is an example of a substance that is NOT a mixture?

Back

Salt is NOT a mixture; it is a pure substance.

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What is spoiling food an example of?

Back

Spoiling food is an example of a chemical change.

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What is the difference between a physical change and a chemical change?

Back

A physical change does not change the chemical composition of a substance, while a chemical change results in the formation of new substances.

Front

What is rusting?

Back

Rusting is a chemical change that occurs when iron reacts with oxygen and moisture, forming iron oxide.