Physical and Chemical Properties of Matter

Front

What is a physical property?

Back

A characteristic of matter that can be observed or measured without changing the substance's chemical identity, such as color, boiling point, or state of matter.

Front

What is a chemical property?

Back

A characteristic of a substance that describes its ability to undergo a specific chemical change, such as reactivity with oxygen or acidity.

Front

What is a physical change?

Back

A change that affects one or more physical properties of a substance without altering its chemical composition, such as melting ice or dissolving sugar in water.

Front

What is a chemical change?

Back

A change that results in the formation of new chemical substances, such as burning wood or baking bread.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Front

Give an example of a physical property.

Back

The boiling point of water is 100 degrees Celsius at sea level.

Front

Give an example of a chemical property.

Back

Iron can rust when it reacts with oxygen in the presence of moisture.

Tags

NGSS.MS-PS1-1

Front

What happens to the chemical composition during a physical change?

Back

The chemical composition remains the same; only the physical form changes.

Front

What happens to the chemical composition during a chemical change?

Back

The chemical composition changes, resulting in the formation of new substances.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Front

Is dissolving salt in water a physical or chemical change?

Back

It is a physical change because the salt can be recovered by evaporating the water.

Front

Is burning paper a physical or chemical change?

Back

It is a chemical change because new substances (ash, smoke) are formed.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5