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heat energy
convection conduction
| Question | Answer |
|---|---|
| transfer of heat by direct contact between particles | conduction |
| transfer of heat into liquids and gasses through currents | convection |
| transfer of heat by electromagnetic waves | radiation |
| a metal spoon gets hot in boiling water | conduction |
| a egg on a frying pan sizzles when it cooks | conduction |
| a ice cube in a hand begins to melt | conduction |
| a metal cup gets hot when boiling water is poured in it | conduction |
| cool air sinks to the ground on a warm night | convection |
| air is warmer near the cielling than the floor | convection |
| toes are warmer in front of a space heater | radiation |
| the sun melts a icey lawn | radiation |
| is the sun the source of all of our energy | yes |
| what are the three types of heat transfers | conduction,convection and radiation |
| radiation is the heat transfer by... | electromagnetic waves |
| conduction transfers heat by... | direct contact |
| convection transfers heat by... | lquids and gasses through currents |
| conduction is the direct transfer of heat when molecuels... | bump into each other |
| as cold air becomes more dense itpushes up warmer air creating a... | convection current |
| most radiation from earths surface is assorbed and... | heats up our atmaspheree |
| the sun is the source of... | all our energy in our atmasphere |