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Science

Chapter 15

QuestionAnswer
Solid Has a definite volume and a definite shape
Liquid Has no shape of its own It takes shape of the container
Gas Can change volume Volume of container
Crystalline solids Solids that are made up of crystals
Amorphous solids Solids are not arranged in regular pattern
Fluid Particles are free to move around This substance flows
Viscosity The resistance of a flowing liquid
Temperature The measure of the average energy of motion of the particles of substance
Pressure The force of its outward push divided by the area of the walls of its container Measured in (kPa) Kilo pascals
Boyle's law Found that when pressure of gas is increased the volume of gas decreases vis-a-versa
Charles's law Found when temp. of gas increased it's volume increases vis-a-versa
Graphs Diagrams that tell how two variables are related
Directly proportional Linear
Vary inversely Non Linear
Thermal Energy Energy from a movement of particles
Chemical Energy
Law of Conservation of energy In every physical change and chemical change,the total amount of energy stays the same
Melting The change of state to a solid to a liquid
Freezing The change of state from a liquid to a solid
Vaporization Occurs when a liquid gains enough energy to become a gas
Evaporation When vaporization takes place only on the surface of a liquid
Boiling When vaporization takes place inside a liquid as well as at the surface
Condensation Occurs when a gas loses enough thermal energy to become a liquid
Sublimation Occurs when the surface particle of a solid gain enough energy to become a gas
Chemical Reaction Another name for a chemical change
Created by: kodamiller
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