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

An average 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

This law states that matter cannot be created nor destroyed, it can only change from one form to another.

The Law of Conservation of Mass

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
In an ________ reaction, heat is released and the temperature appears to rise.  In an ______ reaction, heat is absorbed and the temperature appears to decrease.

Exothermic, endothermic.

500
A phase change from gas to solid, skipping over the liquid phase
deposition
500

When a liquid is heated, ______ takes place at the surface of a liquid and is slow, ______ takes place throughout the entire liquid 

evaporation (surface), boiling/vaporization (throughout)

500

Magma is made of rock.  What phase of matter is magma in?

liquid

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
M
e
n
u