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Volcanoes!
Special | 6m 10sVideo has Closed Captions
Find out more about these explosive marvels of nature.
More than 80 percent of the earth’s surface came from volcanoes. How are they formed? What is the difference between magma and lava? What kind of volcanoes are there? Find out more about these explosive marvels of nature.
Science Trek is a local public television program presented by IdahoPTV
Major Funding Provided by the Laura Moore Cunningham Foundation and the Idaho National Laboratory, Friends of Idaho Public Television and the Corporation for Public Broadcasting
![Science Trek](https://image.pbs.org/contentchannels/uR88rxa-white-logo-41-zGZrjQE.png?format=webp&resize=200x)
Volcanoes!
Special | 6m 10sVideo has Closed Captions
More than 80 percent of the earth’s surface came from volcanoes. How are they formed? What is the difference between magma and lava? What kind of volcanoes are there? Find out more about these explosive marvels of nature.
How to Watch Science Trek
Science Trek is available to stream on pbs.org and the free PBS App, available on iPhone, Apple TV, Android TV, Android smartphones, Amazon Fire TV, Amazon Fire Tablet, Roku, Samsung Smart TV, and Vizio.
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Science Trek
Science Trek is a place where parents, kids, and educators can watch short, educational videos on a variety of science topics. Every Monday Science Trek releases a new video that introduces children to math, science, technology, engineering, and math (STEM) career potentials in a fun, informative way.More from This Collection
Earthquakes: A Whole Lot of Shaking Going On
Video has Closed Captions
An earthquake is a complicated process but knowing about it can save your life. (5m 11s)
Earthquakes: Seismographs, Pizza, and Football
Video has Closed Captions
Seismographs detect earthquakes, even human-caused quakes. (4m 41s)
Oceans: What's Under the Surface?
Video has Closed Captions
Oceans cover 70% of the Earth’s surface. Find out more about what’s under the surface. (7m 4s)
Oceans: Saving Kelp with AI and ROV
Video has Closed Captions
How do you use AI, ROV and an x-box joystick to save kelp? (6m 50s)
Video has Closed Captions
Find out how glaciers are created and their impact on our lives. (6m 15s)
Climate: Climate Change and Greenhouse Gases
Video has Closed Captions
Meet a climate scientist and join her on a mission. (6m 11s)
Video has Closed Captions
Learn more about the different climates found on Earth. (6m 38s)
Providing Support for PBS.org
Learn Moreabout PBS online sponsorshipVolcanoes: What Does A Volcano Sound Like?
Video has Closed Captions
Listen to the sounds of a volcano. (1m 6s)
Providing Support for PBS.org
Learn Moreabout PBS online sponsorshipScience Trek is a local public television program presented by IdahoPTV
Major Funding Provided by the Laura Moore Cunningham Foundation and the Idaho National Laboratory, Friends of Idaho Public Television and the Corporation for Public Broadcasting