Mr. Wizard's World

Meaning of Words, Mechanical Heat, Microwave Plant Drier, Balloon Blast, Dry Ice Color Change, Balloon Blast and more (5x5)

Air date: Jun 01, 1988

Mr. Wizard asks Sarah to define a chair. She says it is something to sit on. Mr. Wizard mentions a bed, sofa, and stool all of which Sarah says are not chairs for one reason or another. Mr. Wizard explains the Meaning of Words, Mechanical Heat, Microwave Plant Drier, Foucault Pendulum, Songbird Study, Dry Ice Color Change, and Balloon Blast.