Article
Story Behind the Science

Story Behind the Science: Ice Ages, an Alien Idea [Pdf]

For Students 9th - 10th
Article describing the scientific evolution of theories about the ice ages and glaciation. The international efforts of scientists are noted, as well as the influence of societal mores on how long it would generally take for new ideas to...
Handout
Encyclopedia of Earth

Encyclopedia of Earth: Evolutionary Biology: Agassiz, Louis

For Students 9th - 10th
Biography of Louis Agassiz, a natural historian and a contemporary of Charles Darwin. He was most famous for developing his theory of an Ice Age. Agassiz argued vehemently against the theory of evolution, based on his interpretations of...
Website
Other

Geo Times: Quest for the Lost Land

For Students 9th - 10th
A discussion of a migration theory of Paleoindians that went down the west coast of North America. Read about food sources, the geology, and the research behind the theory.
Handout
University of California

Beringia Chronology: Prehistoric Beringia

For Students 9th - 10th
The last ice age exposed the ocean floor between Asia and North America for thousands of years. During this time, Nomadic tribes from Asia used the "land bridge" to migrate into North America.
Website
Other

Exploring the Past: An Archeological Journey

For Students 9th - 10th
Through an overview of past archeological expeditions, the author recounts the "Land Bridge" theory and delves into the life of the first inhabitants of North America.
Graphic
Curated OER

Exploring the Past: An Archeological Journey

For Students 9th - 10th
Through an overview of past archeological expeditions, the author recounts the "Land Bridge" theory and delves into the life of the first inhabitants of North America.