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andrew phns vocab
Question | Answer |
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Solids | The state of matter in which materials havae a definite shape and a definite volume |
liquid | the state of matter in which a material has a definite volume but not a definite shape |
gas | the state of matter in which a material does not have a definite shape nor a definite volume |
kinetic energy | the energy an object has due to its motion |
phase change | the reversible physical change that occurs when a substance changes from one state of matter to another |
endothermic | a describtion of a change in which a system absorbs energy from its surroundings |
heat of fusion | the amount of energy for water |
exothermic | a system that releases energy to its surroundings |
evaporations | the process that changes a substance from liquid to a gas |
vapor pressure | the pressure caused by the collisionof this vapor and the wallsof the container |
condensation | the phase change in which a substance changes from a gas or vapor to a liquid |
sublimation | the phasechange in which a substance changes from q solid to a gas or vapor |
deposition | when a gas or vapor changes directly into a solid without changing to a liquid first |
vaporization | the phase change in which a substance changes from a liquid into a gas |