Gravity: Four what?
Special | 4m 27sVideo has Closed Captions
Four fundamental forces, what?
Gravity is only one of the four fundamental forces in the universe. Find out more about all the forces that keep our universe changing.
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
Gravity: Four what?
Special | 4m 27sVideo has Closed Captions
Gravity is only one of the four fundamental forces in the universe. Find out more about all the forces that keep our universe changing.
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.
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
States of Matter: What’s the State of Things?
Video has Closed Captions
What are the states of matter? (4m 22s)
States of Matter: Rethinking Chips
Video has Closed Captions
How do scientists use the states of matter to create new inventions? (5m 27s)
Force and Motion: Force Makes the World Move
Video has Closed Captions
Find out more about Sir Isaac Newton’s laws of force and motion at the amusement park, Silverwood. (4m 7s)
Force and Motion: Force and Motion Rule!
Video has Closed Captions
Scientists need to understand the laws of Force and Motion to travel in space. Why? (6m 10s)
Light and Color: Hidden in Plain Light
Video has Closed Captions
Color is determined by a wavelength, your eyes, and your brain. (4m 39s)
Light and Color: Use Color to Pop a Balloon
Video has Closed Captions
Can you use a laser to pop some balloons and not others? (4m 15s)
Chemistry: Do Try This at Home
Video has Closed Captions
Learn how to test items at home to see if they are a base or an acid. (7m 16s)
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Learn Moreabout PBS online sponsorshipProviding 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