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Science ch.2

science test

QuestionAnswer
States Of Matter physical forms in which a substance can exist
Viscosity the resistance of a gas or liquid to flow
Solid is the state of matter that has a definite shape and volume
Surface Tension the force that acts on the surface of a liquid and that tends to minimize that area of the surface
Gas a form of matter that does not have a definite shape or volume
Temperature a measure of how hot or cold something is; specifically; a measure of the movement of particles
volume a measure of the size of a body or region in three-dimensional space
pressure the amount of force exerted per unit area of a space
Changes of state the change of a substance from one physical form to another
Endothermic a chemical reaction that requires heat
exothermic Energy must be removed from the gas to slow the movement of the particles
Boyle's law the law that states that the volume of a gas in inversely proportional to the pressure of a gas when temperature in constant
Charle's law the law that states that the volume of a gas is directly proportional to the temperature of a gas when pressure is constant
evaporation the change of a substance from a liquid to a gas
boiling the conversation of a liquid to a vapor when the vapor pressure of the liquid equals the atmospheric pressure
condensation the change of state from a gas to a liquid
sublimation the process in which a solid changes directly into a gas
Created by: maggiebrown
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