The Dallas Science Place contains 55 interactive displays on observable phenomena, organized into 7 topic areas: motion, waves, matter, electromagnetism, energy, change, and entropy. Attempts were made to keep the exhibits' forms elemental, so that the underlying physical phenomena could be readily observed and experienced. (JDD)

Discusses rationale for developing the Exploratorium at San Francisco's Museum of Science, Art, and Perception. Describes typical exhibits, hands-on nature of exhibits, and function of Explainers. Presents information about Exploratorium workshops (currently oriented toward upper elementary/junior high teachers), emphasizing the nature of science…