Physical and Chemical Properties and Changes

Front

What is a physical property?

Back

A physical property is a characteristic of a substance that can be observed or measured without changing the substance's chemical composition.

Front

What is a chemical property?

Back

A chemical property is a characteristic of a substance that describes its ability to undergo a specific chemical change.

Front

Define physical change.

Back

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

Front

Define chemical change.

Back

A chemical change is a process that occurs when a substance changes its composition by forming one or more new substances.

Front

Give an example of a physical change.

Back

Cutting hair is an example of a physical change.

Front

Give an example of a chemical change.

Back

Baking soda reacting with vinegar to produce gas is an example of a chemical change.

Front

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

Back

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

Front

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

Back

The composition of a substance changes during a chemical change, resulting in the formation of new substances.

Front

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

Back

A physical property can be observed without changing the substance, while a chemical property can only be observed during a chemical reaction.

Front

What is an example of a physical property?

Back

Color, density, and boiling point are examples of physical properties.