Basic Concepts Videos

An introduction to rocks and the rock cycle.

Using simple tests such as luster, hardness, and cleavage/fracture, you can identify most common minerals.

Forget "animal, vegetable, or mineral?" The scientific definiton of a mineral is much more specific.

75% of the Earth’s surface is water., but that only scratches the surface, as Robert dives into this deep subject.

• On the Processes That Shape the Earth DVD

From the beaches of Florida to the mountains of California, learn how wind, water, ice and gravity can erode big rocks into smaller rocks, eventually turning them into soil.

• On the Processes That Shape the Earth DVD

Have you ever really thought about the water cycle, about how old that glass of water really is, and all the places it has been?

• On the Processes That Shape the Earth DVD

Just as we change as we age, the Earth changes too, wearing away in some places and building back up in others.

• On the Processes That Shape the Earth DVD

From earthquakes that last seconds to continental drift that takes millions of years, the Earth changes in many ways.

• On the Processes That Shape the Earth DVD

With Americans producing 600,000 tons of garbage a day, it is important to look at what we throw away.

• On the Processes That Shape the Earth DVD