Learner Express: Modules for Teaching and Learning
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The Appalachian Mountains are compared to the much higher, but younger, Himalayas. View Video
On the Big Island of Hawaii, Volcanologist Dave Sherrod treads on the newest rock on the planet to show how quickly lava hardens when it emerges at the surface. View Video
Students in Mashpee, Massachusetts create a model of the ground water systems in Cape Cod. View Video
Using hybrid fluid solid-liquid materials (such as Silly Putty®) in the classroom, students explore the concept of a flowing solid. View Video
Two soil profiles in Hawaii demonstrate how warmer temperatures and increased rainfall can contribute to rapid rates of soil formation. View Video
The fact that the jigsaw-puzzle-like fit of the coastlines of Africa and South America looked as if they had been attached in the past gave rise to the theory of continental drift. View Video
Earth's active processes of erosion and plate tectonics help explain why craters on the Earth are less visible than on its nearest neighbor, the Moon. View Video
A demonstration of viscosity and gas content of different types of magmas using chocolate syrup, mayonnaise, and seltzer water. View Video
Students in a playground act out an analogy for how temperature and pressure control the behavior of rocks in the Earth. View Video
By following sediments moved from the mountains to the sea, a mountain stream illustrates the process of erosion. View Video
Ocean floor features reveal the signature of tectonic plates, large, sometimes continent-sized rigid structures in the Earth's crust that can move independently of each other. View Video
The hot spot below Hawaii provides evidence for plate movement: as the Pacific Plate moves over the hot spot, it creates a string of islands. View Video