Explores the history of Santa Fe, New Mexico, founded in 1610 as the northernmost outpost of the vast Spanish empire in the New World. In search of cities of gold, the Spanish expanded northward from Mexico, but instead of gold they found the Pueblo Indians, whom they converted to Catholicism and made Spanish citizens. Despite ongoing conflicts, the unique mix of the Spanish and Pueblo cultures left a lasting legacy that can still be seen in Sante Fe today.
Bill Nye the Science Guy answers questions about life cycles, and conducts an experiment that investigates whether spores will grow from a detached mushroom cap.
Introduces the concepts of forces, work, and how machines are used to make work easier, with descriptions of six simple machines, including the lever, wheel and axle, pulley, inclined plane, screw, and wedge.
Several children cleaning an eccentric scientist's work room begin to wonder what happened to the dinosaurs, and various scientists and creatures magically appear to answer their questions.
Using whimsical characterizations of the single-celled algae, filamentous algae, protozoa, water flea, damselfly nymph, and crayfish intercut with microscopic views, shows how energy is passed from one link in the food chain to another.