- Set the hair dryer to cool, switch it on, and point it at the ceiling. - Carefully put the ping-pong ball in the stream of air. Hold the hair dryer very steady and watch as the ping-pong ball floats ...

GRAND RAPIDS, Mich. — We are going to watch science make a ping pong ball float. How can we make this little ball float without even touching it? In this week's Weather Kids Experiment, we're learning ...

A group of wide-eyed children kept their eyes pealed on the giant floating earth ball as it soared 100 feet into the air and began dancing in the sky. The aerial lesson, teaching visitors that Mother ...