This is a very timely science fair project given the current U.S. national fight over net neutrality that could potentially close off large swarths of the Web and Internet to the average U.S. citizen.
PublicKnowlege has an excellent flash animation that succinctly explains the issue and what we all stand to lose if the telecoms begin reserving the right to wall off their section of the Internet here.
It's an issue that's got the most right-wing and left-wing blogs out there actually working together to stop the attempt. Nothing like a common enemy to bring people together, says I.
Go and fill out