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Heat transfer
Question | Answer |
---|---|
heat from the sun | radiation |
absorption | radiation |
metal sat 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 |
conduction | Heat energy is transferred when molecules within a substance collide. |
requires no medium for transfer | radiation (electromagnetic waves) |
convection | Heat is transferred because of density differences. |
Conduction is the transfer of heat energy by _________. | molecular contact (direct contact) |
radiation | Heat energy is transferred in waves. |
Energy transferred through a fluid or gas where hot rises and cold sinks. | convection |
another name for heat | thermal energy |