This is a really fun site to check out. They have converted a basic science project into something really fun. Have you every heard of potato cannons? This site, diy potato cannons, will help you learn how to build a potato cannon in a weekend. The potato cannon is really fun to build and it teaches you both about construction as well as physics. Your new potato cannon will send potatoes several hundred yard in the air!

For more info on potato cannons click here!