Benchmark Practice - Physical Chemical Properties Changes

Front

What is a physical change?

Back

A physical change is a change in which some physical properties change, but the substance keeps its identity.

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What is a chemical change?

Back

A chemical change is a change in which new substances are formed.

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What is evidence of a chemical change?

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Evidence of a chemical change includes changes such as burning wood, which releases ash and smoke.

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What happens to the identity of a substance during a physical change?

Back

The identity of the substance remains the same during a physical change.

Front

What happens to the identity of a substance during a chemical change?

Back

The identity of the substance changes during a chemical change.

Front

Give an example of a physical change.

Back

An example of a physical change is ice melting into water.

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Give an example of a chemical change.

Back

An example of a chemical change is rust forming on iron.

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What are some indicators of a chemical change?

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Indicators of a chemical change include color change, temperature change, gas production, and formation of a precipitate.

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What is the difference between physical and chemical properties?

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Physical properties can be observed without changing the substance, while chemical properties can only be observed during a chemical reaction.

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What is an example of a physical property?

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An example of a physical property is the boiling point of water.