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22 Cards in this Set

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What are the 4 phases or states of matter?
solid, liquid, gas, plasma
Which state of matter has a definite shape and volume?
a solid
Which state of matter has a definite volume but takes the shape of its container?
a liquid
Which state of matter has no definite shape and no definite volume?
a gas
What do you call the amount of force exerted on a given area?
pressure
Boyle's Law
the law that states as the volume of the gas increases, its pressure decreases.
Charle's law
the law that states as the volume of the gas increases, the temperature increases
Which state of matter has no definite shape and is found on the sun?
Plasma
What is a change of state or phase change?
The conversion or change from one physical form to another.
Describe the phase change occurring during melting.
from a solid to a liquid
Describe the phase change occurring during freezing.
liquid to a solid
Describe the phase change occurring during vaporization.
liquid to a gas

2 types--
boiling and evaporation
Describe what happens during boiling.
A type of vaporization that occurs throughout a liquid.
**Every particle heats up.**
Describe what happens during evaporation
a type of vaporization that occuring only at the surface of a liquid
Describe the phase change occurring during condensation.
from a gas to a liquid.

(hint: think about leftovers)
What phase change happens during sublimation?
From a solid directly to a gas.

Hint: dry ice
What is the freezing point of water?
O degrees Celsius
What is the boiling point of water?
100 degrees Celsius
What is an endothermic reaction?
A reaction where energy is taken in. (gets cold)
What is an exothermic reaction?
A reaction where energy is given off. (gets hot)
What happens to the temperature of a substance undergoing a phase change?
The temperature stays the same until the change is complete.
Viscocity
A liquid's resistance to flow.

Honey has a high viscocity.