Phase Change Retest Practice

What holds its shape and has a high molecular attraction?

• solid

• liquid

• gas

• freedom of movement

Tags

NGSS.MS-PS1-4

A phase change occurs when a substance has a change to its ____________.

• molecular attraction

• freedom of movement

• macroscale

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

A phase change involves a ____________ change in appearance.

• microscale

• macroscale

• substance

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

A change in the molecules' freedom of movement is caused by ________ or ________.

• phase

• energy transferred out

• microscale

• energy transferred in

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

The measure of the average kinetic energy is ________.

• temperature

• phase

• molecular attraction

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Which two things determine whether a phase change occurs?

• the scale of the molecules

• interaction of kinetic energy and the molecules

• molecular attraction of the molecules

• the type of substance

Tags

NGSS.MS-PS1-4

The __________ of a substance never changes.

• temperature

• molecular attraction

• phase

• freedom of movement

Kinetic energy has to decrease to over come the ________ attraction of the molecules.

• strong

• weak

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-5

Kinetic energy has to increase to overcome the __________ attraction between molecules.

• strong

• weak

Tags

NGSS.MS-PS1-4

A liquid can flow because its molecules move ________, and not away from each other.

• energy

• around

• changed

• in place

Tags

NGSS.MS-PS1-4