Describes the main crops grown in the United States, the soil composition and climate conditions necessary for their growth, the development of hybrids, and the importance of caring for the land.

Introduces various kinds of agricultural machinery, describes some of their major parts, and explains how these machines are used on the farm.

Describes how each season of the year affects farmers and the work they do.

Presents a brief discussion of the properties of galaxies, including the Milky Way and others.

A simple introduction to our solar system and its many components, including the sun, planets, satellites, asteroids, and comets.

Provides information and advice on choosing flowers, preparing a place for them to grow, and then planting and caring for them.

Describes how to make an organic garden.

Provides information on choosing a site for a garden, picking plants that will attract birds, butterflies, and other animals, and caring for your garden.

Discusses what nutrition is, how what we eat affects our bodies, the importance of good nutrition, the digestive process, and more.

An overview of the Internet, the world wide web, and email.