Presents simple experiments answering such questions about the human body as "Why does my skin pucker up when I take a long bath?" "Why are my bones hard?" and "How much breath do I have?"

Detailed instructions lead the user into brief experiments in chemistry.

Introduces basic concepts of geography through simple problems and activities such as constructing a clay map, making a compass rose, and plotting the track of a hurricane.

A collection of experiments and projects exploring various aspects of earthquakes.

Offers detailed instructions for short experiments concerning earth sciences.

Provides instructions for fifty nature experiments and activities involving both plants and animals.