Atoms/molecules

The slower the particles in a substance move,

• the colder it is.

• the warmer it is.

• the more energy it has.

What is the phase change of a solid to a liquid?

• freezing

• melting

• boiling

• condensation

When the temperature of matter increases the particles...

• speed up and move closer
• speed up and move farther apart
• slow down and move closer together
• slow down and move farther apart

Change from Liquid to Solid is called ...

• fusion

• Freezing

• sublimation

• evaporation

Change from gas to liquid...

• condensation
• evaporation
• expansion
• movement

Change from liquid to gas is called....

• expansion

• evaporation

• condensation

• sublimation

Molecules are closest together in a 

• Solid
• Liquid
• Gas
• plasma

___________ is anything that has mass and takes up space.

• Molecules

• Matter

• Volume

________ is the amount of space an object takes up.

• Mass

• Matter

• Volume

The temperature of an object is related to the:

• speed of the particles' motion

• temperature of the atmosphere

• number of atoms and molecules it has

• type of matter it is