Science Photo of the Day #851

Science photo 851

This is Glen Canyon Dam in Page, Arizona. It is a hydroelectric dam, converting the potential energy of the lake water into electrical energy. Energy does not just appear out of nowhere, so the potential energy of the lake water had to come from some other energy source. What is that source?

See the answer.

kaya20 wrote on Tue, 05/07/2013 - 05:38:

The lake has mowin woter in it and thes woter has energy

coldiron wrote on Wed, 04/24/2013 - 12:05:

Cool! I went rafting there!

joy11joy wrote on Mon, 04/22/2013 - 09:54:

the source is where the dam's river starts

bphodnefield wrote on Sun, 04/21/2013 - 21:06:

All energy comes from the sun.