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ISChapter 3 Vocab Qs

Chapter 3 Vocab Questions from Physical Science Book

QuestionAnswer
What is a solid? The state of matter which materials have a definite shape and volume.
What is a liquid? The state of matter which a material has a definite volume but not a definite shape.
What is a gas? The state of matter which a mterial has neither a definite shape nor a definite volume.
What is Kinetic Energy? The energy and object has due to it's motion.
What is pressure? The result of a force distributed over an area.
What is absolute zero? A temperature of 0 K.
What is Charle's Law? A law that states that the volume of a gas is directly proportional to it's temperature in kelvins if the pressure and the number of particles in the gas are constant.
What is Boyle's Law? A law that states that the volume of a gas is inversely proportional to it's 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? A change in which the system absorbs energy from it's surroundings.
What is heat of fusion? The energy a substance must absorb in order to change from a solid to a liquid.
What is an exothermic change? A change in which the system releases energy into it's surroundings.
What is vaporization? The phase change which a substance changes from a liquid into a gas.
What is evaporation? The process that changes a substance from 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 which a substance changes from a gas or vapor to a liquid.
What is Sublimation? The phase change which a substance changes from a solid to a gas or vapor without changing to a liquid first.
What is Deposition? The phase change which a substance changes from a gas or vapor to a solid without changing to a liquid first.
Created by: juliacole426
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