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Chapter 6 Sci. Test

States of matter, Nature of heat, Temperature/Thermal

TermDefinition
States The three main forms (solid, liquid, and gas) that matter exists.
Change Of State The physical change of matter from one state to another.
Melting The change from solid to a liquid form of a substance
Melting Point The temperature at which a substance melts.
Freezing The change from solid to a liquid form of matter.
Freezing Point The temperature at which a substance freezes.
Vaporization The change from a liquid to a gaseous form of matter.
Evaporation Vaporization that occurs at the surface of a liquid.
Boiling Vaporization that occurs on and below the surface of a liquid.
Boiling Point The temperature at which a liquid substance boils.
Condensation The change from gaseous form to liquid forms of a substance.
Thermal Expansion The expansion, or increase of size, of matter when it is heated.
Thermostat A device that regulates temperature.
Sublimation The change from solids to a gaseous state of a substance.
Heat Thermal energy that is transferred from one substance to another.
Conduction The transfer of heat between its particles within a substance.
Convection The transfer of heat by the movement of currents within a fluid.
Convection Current A current caused by the rising of heated fluids and the sinking of cooled fluids.
Radiation The transfer of energy caused by electromagnetic waves.
Direction Of Heat Warmer ----> Cooler
Conductor A material that easily transfers heat between its particles.
Insulator A material that does not easily transfer heat between its particles.
Specific Heat The amount of heat required to raise the temperature of one kilogram by one kelvin.
Examples of Conductors Silver, Stainless Steel, Iron, Gold (Metals)
Examples of Insulators Wood, Wool, Cork, Straw, Air, Gasses, Paper, Down Feathers, Fiberglass
Temperature The measure of the average amount of kinetic energy of the particles of a substance.
Fahrenheit Scale The scale that states that 32 is the temperature at which water freezes and 212 is the temperature at which water boils.
Celsius Scale The scale that states 0 is the temperature at which water freezes and 100 is the temperature at which water boils.
Kelvin Scale The scale that states 0 is the temperature that no more energy can be removed from matter.
Absolute Zero The temperature at which no more energy can be removed from matter.
Thermal Energy The total amount of energy in the particles of a substance.
Created by: flyingbunny_15