Physical and Chemical Changes

Metal can be rolled into flat sheets.

• physical property

• chemical property

Oxygen is colorless, odorless, and tasteless.

• physical property

• chemical property

Hydrofluoric acid is poisonous.

• physical property

• chemical property

Copper can be stretched into thin wires.

• physical property

• chemical property

Copper metal reacts with nitric acid to form a brown gas.

• physical change

• chemical change

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Sodium chloride (salt) is heated until it melts.

• physical change

• chemical change

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Baking soda combines with vinegar to create bubbles of carbon dioxide gas.

• physical change

• chemical change

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

A loaf of hot bread is cut into slices.

• physical change

• chemical change

An apple turns brown in the presence of oxygen.

• physical change

• chemical change

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Mercury (a metal) is liquid at room temperature.

• physical property

• chemical property

Tags

NGSS.MS-PS1-4