Macaulay, David

While creating a submarine, the inhabitants of Mammoth Island discover that it is density that determines whether an object sinks, not weight or mass.

The Islanders discover useful tools that operate by manipulating pressure, such as straws, plungers, vacuums, and jack hammers.

Searching for a time-saving alternative from painted portraits, the gang from Mammoth Island discovers how light, lenses, and chemicals can be used to produce photographs.

The Islanders uncover the principles behind wind, string, brass, and percussion instruments and the various sounds that they produce.

Explains how light behaves, and examines a variety of devices that use light to help us see images correctly.

The inhabitants of Mammoth Island explore the three ways in which heat travels.

The Islanders uncover the principles involved the the process of buoyancy as they use a raft to make a rescue.

The inhabitants of Mammoth Island explore how machines like refrigerators and air conditioners function.

The Islanders explore the ingredients necessary to make a balloon fly.

Presents an introduction to electricity, as the residents of Mammoth Island learn about everything from lightbulbs to trains during the annual lemon harvest, including information on computer circuits, music systems, and television sets.