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Sci: Ch. 2, Sec. 2

Vocab of whole chapter

QuestionAnswer
States of Matter Physical forms of matter; solid, liquid, and gas.
Solid State of matter in which the volume and shape of a substance are fixed
Liquid The state of matter that has a definite volume but not a definite shape.
Viscosity The resistance to flow
Gas A form of matter that doesn’t have a definite volume of shape.
Surface Tension The force that acts on the surface of a liquid and that tends to minimize the area of the surface
Temperature A measure of how hot or cold something is (a measure of the movement of particles)
Volume A measure of the size of a body or region in 3D space.
Pressure The amount of force exerted per unit area of a surface.
Boyle’s Law The law that the volume of a gas is inversely proportional to the pressure of a gas when temperature is constant.
Charles’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.
Melting The change of state in which a solid becomes a liquid by adding energy.
Evaporation The change of a substance from liquid to gas
Boiling The conversion 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: labuhamdieh
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