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Solids, Liquids, Gas

vocabulary for the unit Solids, Liquids, Gases

QuestionAnswer
solid matter that has a definite shape and definite volume
liquid matter that has an indefinite shape but a definite volume
gas matter that has an indefinite shape and an indefinite volume
surface tension uneven forces acting on the particles on the surface of a liquid
plasma is high energy matter consisting of positively and negatively charged particles
viscosity a measurement of a liquid's resistance to flow
crystalline solid is a solid that has its particles arranged in specific repeating order
amorphous solid is a solid that has its particles arranged in a random order
cohesion the attraction between molecules that are alike
vapor The gas state of a substance that is usually a solid or liquid at room temperature
kinetic molecular theory an explanation of how particles in matter behave
Pressure is the amount of force applied per unit of area
Boyle’s law states that pressure of a gas increases if the volume decreases and pressure of a gas decreases if the volume increases, when temperature is constant
kinetic energy energy of motion
Charles’s law states that the volume of a gas increases with increasing temperature, if the pressure is constant.
absolute zero The lowest possible temperature at which particles no longer move
temperature measure of the average kinetic energy of all the particles in an object
potential energy stored energy resulting from the interactions between particles and objects
thermal energy total potential and kinetic energy of an object
Created by: hallet