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chp10
Heat Energy
Term | Definition |
---|---|
Freezing | Changing from liquid to solid. |
Evaporation/Vaporization | Changing liquid to gas. |
Energy | The ability to move matter. |
Kinetic Energy | Energy of a moving object. |
Potential Energy | Energy of a moving object. |
Temperature | Average kinetic energy of molecules which tells us how hot or cold something is. MEASURES HEAT! |
Heat | A form of energy that flows between two objects that have different temperatures. |
Radiation | transfer of energy by electromagnetic waves(sun) |
Conduction | Movement of energy through direct contact (solids) |
Convection | Transfer of energy by flow of a liquid or a gas. |
Insulation | Preventing heat from flowing in or out of a material. (poor conductor) |
Thermal Expansion | Matter expands |
Pressure | a force on each unit of area of a surface. |
Melting | changing from a solid to a liquid. |
Condensation | changing from a gas to liquid |
Forms of energy | solar,wind,geothermal,nuclear,and hydroelectric. |
solar cell | captures sunlight to make energy. |