Day: November 20, 1997

The Power Of Demonstration

"If I can make a point with an explosion, I do." That's the motto of chemistry teacher Susan Willson, 1995 Science Teacher of the Year in Texas. Al Balmer, her colleague at McNeil High School in Round Rock, won the same award in 1996. His classroom ceiling bears the marks of numerous soda-bottle "missile" launches, and the walls are pockmarked from being struck by mousetrap-propelled cars.

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