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Intro to I.S. Period

badeau-pnhs-intro to I.S. vocab

QuestionAnswer
What state of matter has a definite shape and definite volume? Solid
What state of matter flows over itself? Liquid
What state of matter has and indefinite shape and volume? Gas
What is kinetic energy? The energy an object has due to it's motion
When force is distributed over an area, what happens? Pressure happens.
What temperature is absolute zero? 0 K
In Charles's Law, is the volume of a gas directly or inversely proportional to it's temp. in kelvins? Directly proportional
In Boyle's Law, is the volume of a gas directly or inversely proportional to it's temp. in kelvins? Inversely proportional
What is it called when a substance changes from one state of matter to the other? A phase change
What happens during an endothermic change? The system absorbs energy from it's surroundings.
What is the amount of energy absorbed during a phase change called? Heat of fusion
What happens during and exothermic change? The system releases energy into it's surroundings.
What occurs when a substance changes from a liquid to a gas? Vaporization
What is the amount of energy absorbed during vaporization called? Heat of vaporization
What is evaporation? The process that changes a substance from a liquid to a gas.
What is the pressure caused by the collisions of vapor and the walls of a container called? Vapor pressure
What is the phase change when a substance changes from a gas to a liquid? Condensation
During sublimation, does the solid change to a liquid first before it changes to a gas? No, the solid changes directly to a gas.
What is deposition? When a gas changes directly to a solid.
Created by: LaurenBadeau
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