What Makes Bridges So Strong?

A SciShow Kids viewer wrote us to ask how bridges are strong enough to carry cars and trucks! Jessi and Squeaks can explain -- with blocks!

English

Originally Aired May 13, 2015
Runtime 5 minutes
Content Rating United States of America TV-Y
Network YouTube
Created January 26, 2018 by
Administrator admin
Modified January 26, 2018 by
Administrator admin