Learner Express: Modules for Teaching and Learning
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How do geoscientists determine the approximate age of a rock? (example: Uranimum-235) View Video
Soil composition is important in determining its qualities such as flow rate, which can be demonstrated by pouring water through containers. View Video
A student's reasonable misconception is compared to the current scientific consensus in interpreting the evidence for the formation of the Himalayas. View Video
One type of sedimentary rock is formed when materials such as gravel, sand, silt, and clay are deposited in new locations. View Video
Fifth grade students start an investigation into how sound waves (P and S waves) can be used to reveal the structure of the Earth. View Video
Second grade students do a classroom activity that simulates how seismic waves travel through solids and liquids in the Earth. View Video
Slow Flowing Solids Explain Tectonic Plate Movement View Video
On the Big Island of Hawaii, lava from volcanoes forms new rock. Physical and chemical processes contribute to the weathering of rock into sediment and soil. View Video
The opening of the Atlantic Ocean between two tectonic plates at a spreading ridge separated the two continents. View Video
Spreading ridge volcanoes form in the deep sea where two plates are moving apart. View Video
Subduction zones are where rock slides under less-dense rock. Magma, enriched with highly pressurized steam and CO2, rises to the surface under subduction boundaries, making volcanoes. View Video
Scientists Chuck Blay and Dave Sherrod compare Hawaiian volcanoes to Mt. Saint Helens. View Video