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matter

TermDefinition
solid closely packed particles cause matter to have a definite shape and definite volume.
liquid particles are free to move so a liquid has a definite volume but no definite shape.
gas particles are able to move and spread out filling all space available, thus gases has no definite shape or definite volume.
pressure gas particles constantly collide with one another and the walls of their container. Pressure is the outward push divided by the area of the walls
temperauture the higher the temperature the faster particles moving.
viscosity A liquids’s resistance to flowing.
melting When a solid changes to a liquid
Crystalline solids particles form a regular repeating pattern called crystals. Example: salt, sugar, and snow.
Amorphous solids particles not arranged in a repeating pattern. Example: Glass, plastic, and rubber.
Surface Tension An inward force, or pull among the molecules in a liquid that brings the molecules on the surface closer together.
Melting point the temperature at which a substance melts.
Freezing When a liquid changes to a solid
Freezing point the temperature when a substance freezes.
Vaporization When a liquid changes to a gas
Evaporation takes place only on the surface of the liquid.
Boiling When vaporization occurs both below the and at the surface.
Boiling Point Temperature at which a liquid boils.
Condensation When a gas changes to a liquid.
Sublimation When a substance changes straight from a solid to a gas.
Charles’s Law When the temperature of a gas at a constant pressure is increased the volume is increased, if the temperature is decreased then the volume is decreased.
Directly proportional as one amount increases, another amount increases at the same rate.
Boyles Law When the pressure of a gas at a constant temperature is increased the volume is decreases, if the temperature is decreased then the volume is increases.
Inversely proportional When the value of one variable increases, the other decreases.
power The rate at which energy is transferred, or the amount of energy transferred in a unit of time. Power= Energy Transferred/Time
kinetic energy The energy an object has due to its motion.
potential energy The energy an object has because of its position, also the internal stored energy of an object, such as energy stored in chemical bonds.
gravitational potential energy Potential energy related to an object’s height.
elastic potential energy The energy that can be associated with object’s that can be compressed or stretched.
Created by: user-2006762
 

 



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