Advertisement Upgrade to remove ads

thermal energy

energy that moves the particles in matter


the energy of the motion of the particles in matter


the force between two moving objects that tries to keep the objects from moving freely


the movement of thermal energy from one object to another where they touch


a material in which thermal energy moves freely


a material in which thermal energy can not move easily


the movement of thermal energy from one place to another in moving liquids and gases


the movement of thermal energy without any objects touching or moving


a tool used to measure how hot or cold something is

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 above and try again


Reload the page to try again!


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

NEW! Voice Recording