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Visual Learning Systems
Formation of Volcanic Mountains and Colliding Plates
This video discusses the formation of volcanic mountains and the role of lithospheric plate movement in this process. It explains how plates can interact with each other in different ways, such as moving away, towards, or sliding past...
Weatherthings
Weather Things: Thunderstorm Wind
Lightning is spectacular, from a distance. It's nature's way of transferring electricity within the sky, or between the sky and the ground. When lightning is nearby, it is a threat to safety. People are struck by lightning, in many cases...
Weatherthings
Weather Things: Physics of Optics
A blue sky and fluffy bright clouds are things that are seen around the world. The atmosphere presents a multitude of sights and phenomena using light, air, water droplets, ice crystals, and dust. Many of the phenomena give clues to...
Weatherthings
Weather Things: Stratus
Clouds manifest moisture condensed in the air. In this program they are appreciated and pondered. Clouds give clues to wind direction, humidity levels, weather patterns, and they just make pretty sights. We look at the basic type of...
Weatherthings
Weather Things: Fog
Clouds manifest moisture condensed in the air. In this program they are appreciated and pondered. Clouds give clues to wind direction, humidity levels, weather patterns, and they just make pretty sights. We look at the basic type of...
National Science Foundation
National Science Foundation: True Confessions of a Tornado Chaser
The president of the Center for Severe Weather Research discusses how thunderstorms give birth to violent tornadoes. [2:20]
Minute Earth
Minute Earth: How Tall Can Mountains Be?
Find out the geological and physical reasons why really tall conical mountains can not exist on Earth. [1:54]
Incorporated Research Institutions for Seismology
Iris: Basin & Range: Deformation, Erosion & Sedimentation
How do the valleys form in a basin-range province? [0:33]