2. Mia and Devon are having a summer party. They need to
make two sizes of ice. The large blocks of ice will be put
in a cooler to keep cans of soda cold. The small ice
cubes will keep the sodas in the glasses cold. They
wondered how the temperature at which water freezes is
affected by the size. Which statement below is true?
A. Small ice cubes freeze at a lower temperature than
large blocks of ice.
B. Small ice cubes freeze at a higher temperature than
large blocks of ice.
C. Small ice cubes and large blocks of ice freeze at the
same temperature.

3. ReviewReview
Density
Anomaly
Ice floats
 DMV

4. Heat CapacityHeat Capacity
How much heat a
substance can “hold”
Water has a high heat
capacity
Water can “hold” a lot of
heat

5. Heat CapacityHeat Capacity
It also takes a lot
of energy to heat
water up
Or to cool it down

6. Change of StateChange of State
 Water exists in the liquid
state in a very wide range of
temperatures
 Form 0o
C to 100o
C
 In liquid form all over the
world

7. Change of StateChange of State
Water has extreme
boiling/freezing points
Boiling point:
100o
C, 212o
F
Freezing point:
0o
C, 32o
F

8. Sensible HeatSensible Heat
Heat is applied, the
temp. increases but
The state of matter
stays the same
“angled or curved”
parts of the graph

9. Sensible Heat

10. Latent HeatLatent Heat
Heat applied, the temp.
stays the same but
The state of matter
changes
“flat spots” on the
graph

11. Latent Heat

12. Water’s 4 SpecialWater’s 4 Special
Properties:Properties:
1. High Surface Tension
2. The Density Anomaly
3. High Heat Capacity
4. High Boiling Point/High
Freezing Point