From Rock to Sand: The Life History of a Sand Grain

Primal forces are at work in geologist Norm Lasca‘s re-creation of the dramatic story of the history of a grain of sand, most common of substances. He starts with pictures of beaches worldwide and then moves to a large diagram of the rock cycle, a reference point throughout as he examines each of the stages involved.

Water, Water Everywhere, And Sometimes Ice & Steam

Arthur Brooks engages the audience in a skillful and fast-paced mix of discussion and demonstration. He begins with a detailed examination of the chemistry of water, using charts, diagrams, and styrofoam models. His demonstrations include a miniature recreation of the Hindenburg explosion, how salt acts on roads in the winter, and many more.