States of Matter
What happens to temperature if molecules absorb (take in) heat energy?
Temperature Increases
What happens to the temperature of the ice cube as it is melting?
Temperature Increases
Happens when a solid becomes a liquid
Melting
Give 3 letters on the heat curve where temperature is increasing.
A, C, E
As molecules in a substance absorb heat, their speed moves
Faster
The melting point of water is __________
0 oC
Happens when a liquid becomes a solid.
Freezing
Molecules move fastest in the ____________ state
Gas
The boiling point of water is ____________
100 oC
Occurs when a liquid becomes a gas.
Evaporation
Which letter on the heat curve is melting occurring?
B
Molecules move slowest in the ____________ phase.
Solid
What is the name of the fog that appears on a mirror after you've taken a hot shower?
Condensation
Occurs when a gas becomes a liquid.
Condensation
Which letter on the heat curve is boiling occurring?
D
What happens to temperature during freezing?
Temperature Decreases
Lowers
When you add energy to a substance it goes to EITHER increasing the temperature OR to _____________ the _________
Changing the Phase
In which section of the graph is condensation happening?
D