Running out of time? Here are some fun science fair projects you can do in less than a day and using things you have on hand.

From flying robots and a Lego spacecraft, to a device that helps people with Alztheimers, these are our favorite science fair projects.

SCIENCE FAIR PROJECT IDEAS * Science Made Simple -- Science fair projects and ideas. * The Discovery Channel -- Science fair central at the Discovery channel has tons of ideas.

Nuclear reactors, cancer preventing chicken marinades, and bionic arms...Science fair projects to rule them all.