PHASE CHANGES

1
PHASE CHANGES
2
BOILING

• a type of phase which occurs when a liquid is
  heated to its boiling point and changes to a gas.
• Endothermic

3
MELTING

• The melting point of a solid is the temperature
  at which the solid becomes a liquid.
• Endothermic

4
CONDENSATION

• Condensation is the change of water from its
  gaseous form (water vapor) into liquid water.
• Exothermic

5
SUBLIMATION

• Sublimation is the transition of a substance from
  the solid phase to the gas phase without passing
  through the liquid phase.
• Endothermic

6
FREEZING

• When a liquid turns to a solid
• Exothermic

7
EVAPORATION

• Evaporation is when a liquid turns to a gas below
  the boiling point.
• Endothermic

8
QUIZ TIME!!!!

• What is the difference between exothermic and
  endothermic?
• What is one example of freezing?
• A great definition for sublimation is?
• When dry ice starts to turn into steam/fog, what
  is it called?
• When you get out of the shower, how come there is
  steam on the mirror?

9
THE END!!!!!