Phase Changes

The phase change from water vapor to liquid water is known as...

• evaporation
• precipitation
• condensation
• sublimation

2. A change of state from a liquid to a solid is called....

• Melting
• Freezing
• Evaporation

5. What is it called when a solid turns directly into a gas?

• Sublimation
• Condensation
• Liquid

7. All phase changes (changing states) requires energy to be added or taken away.

• True
• False

Change from Gas to Solid is called........

• Sublimation
• Deposition
• Fusion
• condensation

What happens to particles when they are heated?

• They speed up and spread out
• They slow down and compress
• They stop moving
• They move closer together and speed up

Melting is ...

• liquid to solid
• solid to liquid
• solid to gas
• gas to liquid

Define kinetic energy

• energy of motion

• static energy

• stored energy

• energy use

Which best describes the kinetic energy of particles in a gas?

• lowest amount of energy

• more energy than solids but less than liquids

• more energy than solids or liquids

• less energy than solids but more than liquids

Which best describes the kinetic energy of particles in a solid?

• lowest amount of energy

• more energy than solids but less than gases

• more energy than solids or liquids

• less energy than solids but more than liquids