Ward, Alan

Uses simple experiments and projects to demonstrate the principles of light and color.

Experiments, projects, and puzzles explain the basic scientific principles of flight and floating.

A collection of natural history projects, including such topics as garden birds, seeds, and nature trails.

Uses simple projects and activities to introduce the principles and phenomena of sound through the making of musical instruments.

Uses simple experiments to demonstrate the properties of magnets and electricity.

Uses simple projects and activities to introduce the sky, stars, Moon, and planets and the changes that can be observed in the weather.

An introduction to machines, from levers and pulleys to compound machinery, which includes instructions for activities and projects to illustrate the principles.

Demonstrates the principles of different types of forces and energy through simple experiments.

Uses simple experiments and activities to demonstrate the properties of water and such principles as floating.