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States of Matter
States of Matter
24
Science
8th Grade
09/09/2009

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Term
Solid
Definition
A state of matter that has a definite shape and a define volume.
Term
Celsius scale
Definition
The temperature scale on which water freezes at 0 degrees and boils at 100 degrees.
Term
Surface tension
Definition
The result of an inward pull among molecules of a liquid that brings the molecules on the surface closer together.
Term
Gas
Definition
The state of matter with no definite shape or volume.
Term
Potential energy
Definition
Stored energy that results from the position or shapes of an object.
Term
Liquid
Definition
A state of matter that has no definite shapes but has a difinite volume.
Term
Law of Conservation Mass
Definition
The principle that the total amount of matter is neither created nor destoryed
during any chemical or physical change.
Term
Boiling
Definition
The process that occurs when vaporization takes place inside a liquid as well as on the surface.
Term
Vaporization
Definition
The change in state from a liquid to a gas.
Term
Kinectic energy
Definition
Energy that an object has due to its motion.
Term
Condensation
Definition
The change from liquid to gas.
Term
Physical property
Definition
A characteristic of a pure substance that can be observed without changing it into another substance.
Term
Viscosity
Definition
A liquid's resistance to flowing.
Term
Fahrenheit scale
Definition
The temperature scale on which water freezes at 32 degrees and boils at 212 degrees
Term
Chemical change
Definition
A change in which one or more substances combine or break apart to form new substances
Term
Kelvin scale
Definition
The temperature scale on which zero is the temperature at which no more energy can be removed from matter.
Term
Physcal change
Definition
A change in a substance that does not change its identity.
Term
Thermal energy
Definition
The total potential and kinetic energy of the particles in an object.
Term
Boiling point
Definition
The temperture at which a substance that changes from a lipuid to a gas.
Term
Plasma
Definition
A gas-like state of matter consisting of a mixture of free electrons and atoms that are stripped of their eletrons.
Term
Law of Conservation of energy
Definition
The rule that energy cannot be created or detroy, it is just changing from one form of energy to another.
Term
Chemical property
Definition
A characteristic of a pure substance that descibes its ability to change into a different substance.
Term
Energy
Definition
The ability to do work or cause change.
Term
Freezing
Definition
The change from the lipuid to the solid state of matter.
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