Physical Chemical Changes & Properties

Front

What is a Chemical Property?

Back

A characteristic of a substance that describes its ability to change into a new substance.

Front

What is a Physical Property?

Back

A characteristic of a substance that can be observed without changing its chemical identity, such as color, shape, or state.

Front

What is a Chemical Change?

Back

A process that involves the transformation of one or more substances into new substances with different properties.

Front

What is a Physical Change?

Back

A change that affects one or more physical properties of a substance without altering its chemical composition.

Front

Is melting ice a chemical or physical change?

Back

Physical change.

Front

Is rusting of iron a chemical or physical change?

Back

Chemical change.

Front

What happens to the molecules during a chemical change?

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The molecules rearrange to form new substances.

Front

What happens to the molecules during a physical change?

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The molecules may change their arrangement or state, but their chemical structure remains the same.

Front

Give an example of a chemical property.

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Flammability.

Front

Give an example of a physical property.

Back

Density.