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Chapter 6 Sci. Test
States of matter, Nature of heat, Temperature/Thermal
| Term | Definition |
|---|---|
| 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
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