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heat notes Wednesday
for the quiz on notes 3-8
| Question | Answer |
|---|---|
| chemical reaction | a process in which new substances with new chemical and physical properties are formed |
| exothermic | a chemical reaction that releases heat |
| endothermic | a chemical reaction that absorbs heat energy |
| catalysts | a substance that assists a reaction but is not chemically changed as it used o |
| conductor | a substance that transfers energy very well |
| insulator | a substance that does not transfer energy very well |
| specific heat capacity | the amount of heat needed to raise 1 kg of a material by 1 degrees C |
| conduction | the transfer of thermal energy through solids |
| convection | heat transfer through liquids and gases |
| radiation | the transfer of heat energy through space |
| convection current | the heating, cooling, and re-heating of a liquid or gas, resulting in a circular motion |
| passive solar heating system | where a home is heated directly by the sun; utilizing natural methods |
| what are the 6 methods to heat a home using Passive solar heating system | south facing windows, parts of home built into hills for insulation, Deciduous trees, The greenhouse effect, Insulation, and dark color panels, curtains, and carpets |
| The greenhouse effect | refers to a steady increase in a planet's temperature by the presence of atmospheric gases that absorb and emit radiation |
| Active solar heating system | a system that uses radiation from the sun to heat a home indirectly |
Created by:
rlin
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