Instructional Video
PBS

Pbs Learning Media: Triangles: Testing the Strength of a Gumdrop Dome

3rd - 8th
Can a dome made of gumdrops and toothpicks support the weight of a stack of books? To find out, watch this video segment adapted from ZOOM. [2:31]
Instructional Video
PBS

Pbs Learning Media: Designing a Paper Bridge

3rd - 8th
In this video segment adapted from ZOOM, cast members make a bridge from a single piece of paper. Will it be strong enough to hold a hundred pennies? [3:41]
Instructional Video
PBS

Pbs Learning Media: Investigating a Suspension Bridge

3rd - 8th
In this video segment adapted from ZOOM, the cast builds a suspension bridge from a couple of chairs, some cardboard, and rope. [2:52]