Instructional Video3:27
Visual Learning Systems

Formation of Volcanic Mountains and Colliding Plates

9th - 12th
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...
Instructional Video4:12
Weatherthings

Weather Things: Thunderstorm Wind

6th - 8th
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...
Instructional Video7:23
Weatherthings

Weather Things: Physics of Optics

6th - 8th
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...
Instructional Video3:48
Weatherthings

Weather Things: Stratus

6th - 8th
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...
Instructional Video3:32
Weatherthings

Weather Things: Fog

6th - 8th
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...
Instructional Video
National Science Foundation

National Science Foundation: True Confessions of a Tornado Chaser

9th - 10th
The president of the Center for Severe Weather Research discusses how thunderstorms give birth to violent tornadoes. [2:20]
Instructional Video
Minute Earth

Minute Earth: How Tall Can Mountains Be?

9th - 10th
Find out the geological and physical reasons why really tall conical mountains can not exist on Earth. [1:54]
Instructional Video
Incorporated Research Institutions for Seismology

Iris: Basin & Range: Deformation, Erosion & Sedimentation

9th - 10th
How do the valleys form in a basin-range province? [0:33]