Phase/State Changes
Vocabulary
Solids, Liquids & Gases
Adding or Removing Heat
Miscellaneous
100
A phase change from solid to liquid
melting
100
Anything that has mass and takes up space
matter
100
definite shape, definite volume
solid
100
Is energy added or removed during a phase change from solid to liquid?
added
100
The temperature at which water freezes and ice melts
0 degrees Celsius (32 degrees Fahrenheit)
200
A phase change from liquid to solid
freezing
200
A liquid's resistance to flow
viscosity
200
indefinite shape, definite volume
liquid
200
Is energy added or removed during a phase change from liquid to solid?
removed
200
The temperature at which water boils and water vapor condenses
100 degrees Celsius (212 degrees Fahrenheit)
300
A phase change from gas to liquid
condensation
300
A measure of how fast the particles in a substance are moving
temperature
300
indefinite shape, indefinite volume
gas
300
Is energy added or removed during a phase change from liquid to gas?
added
300

The temperature water boils at altitude

Less than 100 degrees Celsius

400
A phase change from solid to gas, skipping over the liquid phase
sublimation
400
A measure of the number of times the particles of a gas hit the inside of their container
pressure
400
A state of matter in which the particles vibrate in place
solid
400
Is energy added or removed during a phase change from gas to liquid?
removed
400

Why do we add salt to icy roads?

It lowers the melting point

500
A phase change from gas to solid, skipping over the liquid phase
deposition
500
______ takes place at the surface of a liquid and ______ takes place throughout the entire liquid
evaporation (surface), boiling (throughout)
500

The 4th state of matter

plasma

500
Is energy added or removed during a phase change from solid to gas? Is energy added or removed during a phase change from gas to solid?
solid to gas (added), gas to solid (removed)
500
A super heated gas mainly found in the sun and other stars in the universe
plasma
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