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Science

Chp 4 Review

TermDefinition
Matter anything that takes up space and has mass
solid a matter with definite shape and volume
liquid a matter with definite volume, but no definite shape
gas matter with no definite shape or volume
thermal energy the total kinetic and potential energy of all the particles in a sample of matter
heat movement of thermal energy from a substance at a higher temperature to one at a lower temperature
melting point the temperature at which a substance changes from a solid to liquid
freezing point the temperature at which a substance changes from a liquid to solid
vaporization the change from a liquid to gas
condensation the change from a gas to liquid
Pressure equal to the force exerted on a surface divided by the total area over which the force is exerted
buoyant force the difference in pressure results in an upward force on an object immersed in a fluid
Archimedes Principle the buoyant force on an object is equal to the weight of the fluid displaced by the object
Density mass divided by volume
Pascal's Principle when a force is applied to a confined fluid, an increase in pressure is transmitted equally to all parts of fluid
Energy the ability to cause change
Boiling Point the temperature at which a liquid boils
Evaporation vaporization that takes place at the surface of a liquid
Created by: bAhmed
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