Ben Franklin, the famous patriot and signer of the Declaration of Independence, was also America’s first great scientist. At a time when science was a mystery to most people, he performed incredible experiments that revealed amazing facts about light, heat, sound, electricity, the weather, and other aspects of the natural world. Now the enormously popular Franklin Institute Science Museum shows you how to do your own exciting experiments Ben Franklin’s way. He used common objects such as cooking oil, a glass bottle, or pieces of colored cloth to chart the Gulf Stream, predict the weather, or measure how much a molecule weighs.