TED-Ed
The Science of Macaroni Salad: What's in a Mixture?
Mix things up in your physical science class by introducing mixtures. The three types are defined: suspension, colloid, and solution. It all depends on the size and type of the involved particles. With attractive animation and an...
Steve Spangler Science
Steve Spangler on The Ellen Show February 2008
A lot goes on during this visit to the Ellen DeGeneres show. During the first segment, Spangler demonstrates the ability of the human body to act as a conductor of electricity and he shows the clean burning properties of hydrogen and...