How do these rocks move on their own in the desert?

This program explores the geography, history, and some important cultural features of the Southwestern Region of the United States. The individual states of Texas, New Mexico, Arizona and Nevada are presented in detail.

This program explores the geography, history, and some important cultural features of the Pacific Region of the United States. The individual states of California, Oregon, Washington, Alaska and Hawaii are presented in detail.

This program explores the geography, history, and some important cultural features of the Pacific Region of the United States. The individual states of California, Oregon, Washington, Alaska and Hawaii are presented in detail.

In this video, we explore Death Valley and its harsh environment, questioning what makes it so inhospitable. We also take a look at the Tundra biome, providing an overview of these two unique and fascinating environments. This video is...

This program explores the geography, history, and some important cultural features of the Pacific Region of the United States. The individual states of California, Oregon, Washington, Alaska and Hawaii are presented in detail.

This program outlines the classification system of sedimentary rocks. Specific attention is paid to the different ways sedimentary rock forms. The relationship between sedimentary rocks and the formation of fossils is investigated. Other...

This program explores the geography, history, and some important cultural features of the Pacific Region of the United States. The individual states of California, Oregon, Washington, Alaska and Hawaii are presented in detail.

This program explores the geography, history, and some important cultural features of the Pacific Region of the United States. The individual states of California, Oregon, Washington, Alaska and Hawaii are presented in detail.

This video discusses the concept of biomes and focuses on the major difference in climate between deciduous forests and deserts. It highlights that while deserts are commonly associated with heat, they can also be cold and experience...

Number systems evolved from the natural "counting" numbers, to whole numbers (with the addition of zero), to integers (with the addition of negative numbers), and beyond. These number systems are easily understood using the number line.

This program explores the geography, history, and some important cultural features of the Pacific Region of the United States. The individual states of California, Oregon, Washington, Alaska and Hawaii are presented in detail.