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Sience study
study unit 1 thermal energy
Question | Answer |
---|---|
is another word for heat | thermal |
the amount of kinetic energy of a substance | temperature |
when molecules are hot they move | fast |
when molecules are cold they move | slow |
absorbs heat | endothermic |
releases heat | exothermic |
hot molecules are | far apart |
cold molecules are | close together |
solid adoms are | really close |
liquid adoms are | kinda close |
gas adoms are | far apart |
adoms is a gas have | no definite arrangment |
adoms in a solid | slow |
adoms in a liquid | desent speed not really fast |
adoms is in a gas move | really fast |
heat transfer by hot air rising and cold air sinking | convection |
there are three types of heat transfer | convection, conduction and radiation |