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Heat Transfer
convection, conduction, and radiation
| Question | Answer |
|---|---|
| heat from the sun | radiation |
| absorption of electromagnetic waves of the sun | radiation |
| metal seat buckle becomes too hot to touch | conduction |
| water boiling | convection |
| Is wood an insulator or conductor? | insulator |
| Is metal an insulator or conductor? | conductor |
| Cool air ________________, and warm air ___________________. | sinks, rises (convection) |
| how a stove heats | conduction |
| how a microwave heats | radiation |
| Heat energy is transferred when molecules within a substance collide. | conduction |
| requires no medium for transfer | radiation (electromagnetic waves) |
| Heat is transferred because of density differences. | Convection |
| Conduction is the transfer of heat energy by ______________. | molecular contact (direct contact) |
| Heat energy is transferred in waves. | radiation |
| Energy transferred through a fluid or gas where hot rises and cold sinks. | convection |
| another name for heat energy | thermal energy |
| The amount of heat energy transferred depends on ___________________. | the difference in temperature between the objects. |
| Thermal energy moves from ______________ to ________________objects. | warmer, cooler |
| occurs most easily in liquid and solids | conduction |
| transfers thermal energy very well | Conductor |
| does not transfer thermal energy very well | Insulator |
| good conductors | silver, metal, gold, nickel, copper |
| good insulators | plastic, wood, paper, rubber, glass |
Created by:
addiechastain
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