Science and technology are closely related yet one is an integral part of school science curricula and the other is not. Suggests that science teachers can introduce the role and importance of technology in science programs. (NB)

Asks the relationship between mass and skidding distance. Provides a problem with illustrations and an answer. (YP)

Described is the subject of biological scaling for physics teachers including examples and in-depth reading. Topics are elements of scaling, terminal velocities, Lilliputian and Brobdingnagian, brain evolution, dolphin echolocation, surface tension, gravity change, food and oxygen, and seeing. Ten references on physics and size, and ten questions…

Various phenomena in chemistry and biology can be understood through Gibbs energy utilization. Some common phenomena in chemistry are explained including neutralization, hydrolysis, oxidation and reaction, simultaneous dissociation equilibrium of two weak acids, and common ion effect on solubility. (Author/SA)

Describes the development of the Chicago Museum of Science and Industry and its exhibits, which rely on participatory techniques in furthering public understanding of science and technology. Two thousand exhibit units cover seventy-five diverse fields, and the museum's educational program comprises twenty scientific demonstrations. Special…

Discusses the average speed differences between hydrogen and oxygen molecules contained in a jar. (YP)

Answers a student's question about the emission of a positron from a nucleus. Discusses the problem from the aspects of the uncertainty principle, beta decay, the Fermi Theory, and modern physics. (YP)

Discusses the making of a light engine powered by sunlight or a lamp. Describes the materials and construction method with detailed specifications and diagrams. (YP)