Science Buddies: "Ask an Expert"

Posted: **Sun Jan 16, 2011 6:05 pm**

What are the various sources of heat?

Posted: **Tue Feb 08, 2011 12:11 pm**

Hi,
Here is a link that might help you. What sort of project are you thinking about conducting?

http://www.ehow.com/list_5948968_natura ... nergy.html

What are the various sources of heat?