Phase Changes

What happens to the mass of an ice cube as it melts into liquid water?

• The mass increases

• The mass decreases

• The mass stays the same

The change of one state of matter to another is called a _____________.

• chemical change

• solid change

• liquid change

• phase change

What are the four major phase changes?

• Freezing, Melting, Condensation, Evaporation

• Melting, Condensation, Evaporation, Heat

• Freezing, Melting, Condensation, Cooling

• Condensation, Evaporation, Freezing, Heating

The opposite of freezing is _____.

Evaporation is when a...

• liquid changes to a solid

• solid changes to a liquid

• Liquid changes to a Gas

• gas changing to a solid

Which phase changes require thermal energy?

• Evaporation and Freezing

• Freeing and Melting

• Melting and Evaporation

• Condensation and Freezing

Evaporation is when a...

• Liquid changes into a Solid

• Solid changes into a Gas

• Liquid changes into a Gas

• Solid changes into a Liquid

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

• evaporation
• precipitation
• condensation
• sublimation

Freezing is...

• Solid to gas
• Liquid to solid
• Gas to solid
• Liquid to gas

Boiling is ...

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