Matter, Density, and Changing States Review

Which diagram shows the substance at the lowest temperature?

• first

• middle

• last

What happens to the molecules of matter when it is heated?

• remain the same

• slow down

• speed up

• disappear

Do all states of matter have mass, volume, and density?

• yes

• no

Does the weight of a ball of clay change when it is flattened?

• yes

• no

The process of a gas changing into a liquid is called? Think a ice cold glass on a hot day

• evaporation

• melting

• condensation

The process of a solid changing into a liquid is called

• sublimation

• melting

• freezing

• condensation

The process of a liquid changing into a solid is called? Think ice cube...

• evaporation

• melting

• freezing

• condensation

The process of a liquid changing into a gas is called

• evaporation

• melting

• freezing

• condensation

A puddle of water seemed to disappear. The heat caused the water to -

• melt

• condense

• evaporate

The steam coming off the pot of boiling water is an example of.... Think water vapor

• a solid becoming a liquid

• a liquid becoming a solid

• a liquid becoming a gas