Physical Changes

Dissolving is best described as mixing evenly.

• True

• False

When matter undergoes a physical change, mass is...

• never conserved

• always conserved

• sometimes conserved

Tags

NGSS.MS-PS1-4

Sublimation occurs when a solid changes directly to a gas.

• Ture

• False

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

The temperature at which a liquid changes to a gas is the...

• condensation

• boiling point

• freezing

• melting

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

When a liquid becomes a solid, freezing occurs.

• True

• False

Tags

NGSS.MS-PS1-4

The change in state from a solid to a liquid is called melting.

• True

• False

Tags

NGSS.MS-PS1-4

This occurs when a gas changes directly to a solid.

• boiling point

• melting

• deposition

Condensation is the change from a gas to a liquid.

• True

• False

Tags

NGSS.MS-PS1-4