Create an account
when heat is transferred through a solid and occurs when molecules in a substance collide, transferring energy from one molecule to the next
when heat is transferred in liquids and gases; its molecules move farther apart and it becomes less dense
when heat is transferred through empty space in the forms of rays, waves, or particles and spreads outward from a central source
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