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Rivers: How Long?
Clip: Special | 1m 5sVideo has Closed Captions
What's the longest river?
What is the longest or widest river in the world? How about in North America? Find out more about rivers in our world.
Science Trek is a local public television program presented by IdahoPTV
Major Funding by the Laura Moore Cunningham Foundation and the Idaho National Laboratory. Additional Funding by the 360 Immersive, the 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)
Rivers: How Long?
Clip: Special | 1m 5sVideo has Closed Captions
What is the longest or widest river in the world? How about in North America? Find out more about rivers in our world.
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.Video has Closed Captions
Why are rivers so important? Learn more about rivers in this Science Trek video short. (4m 54s)
Rivers: River Habitats in Trouble
Video has Closed Captions
Why are river habitats in trouble? (1m 5s)
Rivers: River What's In A Name?
Video has Closed Captions
When is it a stream and when is it a river? (1m 5s)
Video has Closed Captions
How do rivers change our world? Find out in this episode of Science Trek: The Web Show. (7m 33s)
Providing Support for PBS.org
Learn Moreabout PBS online sponsorshipScience Trek is a local public television program presented by IdahoPTV
Major Funding by the Laura Moore Cunningham Foundation and the Idaho National Laboratory. Additional Funding by the 360 Immersive, the Friends of Idaho Public Television and the Corporation for Public Broadcasting.