Phase Change Worksheet
Chemistry
Name: ______________________________
Date: _________________ Hour: _________
Phase Change Descriptions:
Fill in the following correct states of matter:
melting =
the change from _________________ to _________________.
freezing =
the change from _________________ to _________________.
vaporization =
the change from _________________ to _________________.
condensation =
the change from _________________ to _________________.
sublimation =
the change from _________________ to _________________.
deposition =
the change from _________________ to _________________.
Fill in the phase changes in the blank provided in the following diagram:
Look at the following diagrams and answer the questions:
1)
The change from solid to liquid is called ______________________________________.
2)
Condensation is the change from _____________________ to _____________________.
3)
The change from gas to plasma is called _______________________________________.
4)
Deposition is the change from _____________________ to _____________________.
5)
The change from liquid to solid is called ______________________________________.
6)
Dry ice and iodine do not melt when they are heated. They change directly from
_____________ to ____________. This is called _______________________________.
7)
When a plasma changes back to a gas, this is called ______________________________.
8)
Boiling and evaporation, where liquids change to gases, are examples of the change of state
called __________________________________.
9)
What are the four states of matter? ____________________________________________
10)
Which state of matter has the least amount of energy (enthalpy)? ____________________
Give a real-life example of each of the following changes of state:
melting =
__________________________________________________________
freezing =
__________________________________________________________
vaporization =
__________________________________________________________
condensation =
__________________________________________________________