Heat Transfer and Phase Changes
Below is a graph of temperature over time for a sample of water.
Key Vocabulary: Melting, Freezing, Boiling, Evaporation, Condensation, Heat,
Temperature
100
0
If heat energy is being added to the material (moving to the RIGHT on the graph) name or
briefly describe the processes happening during each section of the graph:
A _________________________________________________________
B _________________________________________________________
C _________________________________________________________
D _________________________________________________________
E _________________________________________________________
If heat energy is being given off by the material (moving LEFT on the graph), name or
briefly describe the processes happening during each section of the graph:
A _________________________________________________________
B _________________________________________________________
C _________________________________________________________
D _________________________________________________________
E _________________________________________________________