More science in action

Presents projects and experiments exploring such forms of communication as ink, television, semaphore, and multi-track recording.

Presents projects and experiments exploring scientific principles in different habitats and environments, including a butterfly farm, bird feeder, forest, and pond.

Presents projects and experiments exploring calculation and chance in such areas as cards, heredity, wind speed, and games.

Presents projects and experiments exploring the presence of various scientific principles in nature, including friction, electrical resistance, acceleration, and the displacement of water.

Provides projects and experiments exploring scientific principles in earth and space, including rain-making water power, and such aeronautic phenomena as water rockets and hot air balloons.

Includes experiments, projects, and hands-on applications of scientific principles involving the mind and perception.