You've just
tried to add this video to your Watchlist so you can watch
it later. But first, we need you to sign in to PBS using one
of the services below.
You’ll be able to manage
videos in your Watchlist, keep track of your favorite shows,
watch PBS in high definition, and much more!
You've just
tried to select this program as one of your favorites. But
first, we need you to sign in to PBS using one of the
services below.
You’ll be able to manage videos in
your Watchlist, keep track of your favorite shows, watch PBS
in high definition, and much more!
To get you
watching PBS in high definition we need you to sign in to
PBS using one of the services below.
You'll be able
to manage videos in your Watchlist, keep track of your
favorite shows, watch PBS in high definition, and much more!
By creating an account, you acknowledge that PBS may share your information with our member stations and our respective service providers, and that you have read and understand the Privacy Policy and Terms of Use.
Gravity is the force of attraction between two objects. It is what makes things fall and what keeps us from floating off into space. Gravity is a fundamental force of nature. How does it work?
Your report has been successfully submitted. Thank you for helping us improve PBS Video.
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 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.
