Matter Focus #2 Review

state of matter with a fixed shape; does not take the shape of its container

• solid
• liquid
• gas
• water

state of matter that can be poured; takes the shape of its container

• solid
• liquid
• gas

state of matter that spreads out to completely fill its container

• solid
• liquid
• gas
• water

water in gas form (moisture in the air)

• water vapor
• oxygen
• ice
• rain

when water changes from a liquid to a gas - caused by heat

• evaporation

• condensation

• freezing

• melting

when water vapor (a gas) is cooled and forms liquid water

• evaporation

• condensation

• freezing

• melting

What must be done to change water from liquid to solid?

• Raise the temperature.

• Lower the temperature.

What must be done to change water from solid to liquid?

• Raise the temperature.

• Lower the temperature.

What must happen to water vapor (gas) to become liquid water?

• It must be heated.

• It must be cooled.

What must happen for liquid water to evaporate (become a gas)?

• It must be heated.

• It must be cooled.