Macaulay, David

When the inhabitants of Mammoth Island try to find a better way to milk a mammoth, they learn how pulleys can be used to make work easier.

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 are trying to find the best method to weigh their heaviest mammoths. A young islander is inspired to try a simple machine called a lever to get the job done. Three classes of levers are then explored.

The inhabitants of Mammoth Island have decided to make gravel for their new roads by dropping boulders off a tower and smashing them to bits. A young Islander suggests that it would take less effort to roll the boulders up an inclined plane than to hoist them up the side of the tower.

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 Islanders explore how the opposing forces of lift and weight act on aircraft.