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Intro to I.S.

nwhite-pnhs-intro to I.S. vocab

QuestionAnswer
What does definite shape and volume mean? Definite volume means the volume stays the same. Definite shape means the shape stays the same.
What are the states of matter? Solid, Liquid, Gas, Bose-Einstein, and Plasma.
What is the definition of a solid? The state of matter in which a material have a definite shape and volume.
What is the definition of a liquid? The state of matter in which a material has a definite volume but not a definite shape.
What is the definition of a gas? The state of matter in which a material has neither a definite shape or volume.
What is the definition of kinetic energy? The energy an object has due to its motion.
What is the definition of pressure? The result of a force distributed over an area.
What is absolute zero? A temperature of 0 Kelvin.
What is Charles's law? The volume of a gas is directly proportional to its temperature in kelvins if the pressure and the number of particles are constant.
What is Boyle's law? The volume of a gas is inversely proportional to its pressure if the temperature and the number of particles are constant.
What is a phase change? The reversible physical change that occurs when a substance changes from one state of matter to another.
What is an endothermic change? The system absorbs energy from it's surroundings.
What is heat of fusion? Melting.
What is an exothermic change? The system releases energy to it's surroundings.
What is vaporization? The phase change in which a substance changes from a liquid into a gas.
What is evaporation? The process that changes a liquid to a gas at temperatures below the substance's boiling point.
What is vapor pressure? The pressure caused by the collisions of this vapor and the walls of the container.
What is condensation? The phase change in which a substance changes from a gas or vapor to a liquid.
What is sublimation? The phase change in which a substance changes from a solid to a gas o0r vapor without changing into a liquid first.
What is deposition? The phase change that changes directly from solid without first changing into a liquid.
Created by: natashaw98
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