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 |