The States
Adding or Removing Heat
Phase Changes
Vocabulary
Random
100
Has a definite volume but not a definite shape.
What is a liquid?
100
When a liquid is cooled it becomes this state of matter.
What is a solid?
100
Phase change of a solid turning into a liquid.
What is melting?
100
Anything that has mass and takes up space.
What is matter?
100
The temperature at which a solid melts into a liquid.
What is its melting point?
200
Has a definite shape and volume
What is a solid?
200
When heat is added to a liquid it becomes this state of matter.
What is a gas?
200
Phase change when a liquid becomes a solid.
What is freezing?
200
A group of atoms held together by chemical bonds.
What are molecules?
200
The temperature at which a liquid turns into a gas.
What is its boiling point?
300
In this state molecules move extremely quickly and bounce off one another
What is a gas?
300
When a gas is cooled it becomes this state of matter.
What is a liquid?
300
Phase change when a liquid becomes a gas
What is vaporization (evaporation/boiling)?
300
The name of the way in which ice molecules are arranged.
What is crystal lattice?
300
The heat energy required to break the attraction of liquid molecules.
What is the heat of vaporization?
400
This is a gas with an electrical charge found in neon signs, fluorescent lights, and stars.
What is a plasma?
400
True or False. Temperature changes as matter changes states.
What is true?
400
Phase change when a gas turns into a liquid
What is condensation?
400
Something unable to be bent
What is rigid?
400
The heat energy that helps break the molecular bonds of a solid.
What is the heat of fusion?
500
Tiny particles of solid, drops of liquid, or bubbles of gas that are evenly distributed throughout a liquid.
What is a colloid?
500
This stays the same as matter changes states
What is chemical structure?
500
Phase change when a solid turns into a gas.
What is sublimation?
500
-273 degrees Celsius and at which point molecules stop moving
What is absolute zero?
500
The amount of ice needed to melt in liquid water, while being heated, in order to increase the water's temperature above 0 degrees Celsius.
What is all of the ice?
M
e
n
u