Create an account
if the liquid inside of a thermmometer is contracting what does it mean?
the substance being measured is cooling down
if a mobile is turning from a candle burning below it, what method of heat transfere is occuring?
what is the difference between an insulator and a conductor?
insulator limits the amount of heat that passes through it.
conductor easily allows heat to move into it
how does a radiator heat a room?
1 -water is heated in a boiler
2 -then steam is pumped into pipes in the radiator which passes through it into the air
3 -convection currents move the air
4 -cooler air returns to the radiator and the process begins again
how do radiation, conduction and convection all work on Earths surface?
1 -radiation from the sun heats up earths surface.
2 -then conduction transfers heat into earths air.
3 -convection currents form as the surface is heated
4 -warm air rises then cools and falls back to earth as rain or snow causing wind and rain patterns
Please allow access to your computer’s microphone to use Voice Recording.
Having trouble? Click here for help.
We can’t access your microphone!
Click the icon above to update your browser permissions and try again
Reload the page to try again!Reload
Press Cmd-0 to reset your zoom
Press Ctrl-0 to reset your zoom
It looks like your browser might be zoomed in or out. Your browser needs to be zoomed to a normal size to record audio.
Please upgrade Flash or install Chrome
to use Voice Recording.
For more help, see our troubleshooting page.
Your microphone is muted
For help fixing this issue, see this FAQ.
Star this term
You can study starred terms together