Phase Changes Worksheet

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Page 1. Phase Change Worksheet. Name: Chemistry. Date: Hour: ______. Phase Change Descriptions: Fill in the following correct states of matter: melting ...
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 =

__________________________________________________________