Matter - the "stuff" that makes up the universe, Solid - matter that has a definite shape and definite volume., Liquid - matter with a definite volume but no definite shape., Gas - A state of matter with no definite shape or volume, Viscosity - measurement of liquid’s resistance to flow., Cohesion - is the attraction between similar molecule, Surface tension - the uneven forces acting on the particles on the surface of a liquid., Vapor - gas state of a substance that is normally a solid or a liquid at room temperature., Melting point - when a solid reaches this point, the thermal energy is converted into potential energy., Freezing point - the temperature at which matter changes from the liquid state to the solid state is its, Vaporization - the change in state of a liquid into a gas, 2 types-evaporation and boiling, Boiling - vaporization that occurs within a liquid, Evaporation - is vaporization that occurs only at the surface of a liquid as it changes into the gas phase., Condensation - the change of state from a gas to a liquid (when a gas loses enough thermal energy, the gas changes to a liquid), Sublimation - change of state from a solid to a gas without going through the liquid state, Deposition - change of state of a gas to a solid without going through the liquid state, Pressure - 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, even temperature is constant., Charles's Law - states that the volume of a gas increases with increasing temperature, if the pressure is constant., Thermal Energy - the total potential AND kinetic energies in a object, Potential Energy - stored energy due to the interactions between particles or objects., Temperature - a measure of the average kinetic energy of all the particles in an object., Kinetic energy - the energy an object has due to its motion., Mass - The amount of matter in an object , Volume - the amount of space a sample of matter takes up, Density - a quantity calculated by dividing an objects mass by its volume, Amorphous solids - the particles are not arranged in a regular pattern, substance is brittle. Ex: charcoal, Crystalline solids - specific repeating order, very hard material. Ex: diamond,
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