Phase Change

What do we call the phase change when a substance is changing from a solid to a liquid?

What do we call the phase change where we change from a liquid to a gas?

• boiling

• melting

• freezing

• evaporating

If you move one substance from one container to another and its volume changes, the substance must be a...

• liquid

• solid

• gas

• solution

The particles in a solid move _______ than do the particles in a gas.

• more quickly

• in the exact same way

• more slowly

• more quickly and farther

Which substance in the image is a most likely a liquid?

• Substance A

• Substance B

• Substance C

Which state of matter will hold its shape without a container?

• solid

• liquid

• gas

All changes of the state of matter require ____________.

• vibration

• water

• energy

• dancing

What is the temperature at which a liquid changes to a solid known as?

• Melting

• Freezing

• Sublimation Point

• Freezing Point

A melting solid and a freezing liquid occur at the same temperature for a given substance.

• True

• False

Condensation is ...

• a change of state from a gas to a liquid

• a change of state from a liquid to a solid

• vaporization that occurs throughout the liquid rapidly