Gaps are essential to engineering bridges and roads. Learners watch a video showing a typical construction of a bridge to see why they're so important. They then manipulate an interactive to model the effects of temperature change on the...

A site for all users interested in the engineering behind the building. Site engages users in a job that requires them to investigate troubled buildings and then figure out how to fix them.

This site from PBS is for any user wanting test their engineering skills. Take a trip to Craggy Rock and help their growing community decide on four new bridges.

A collection of interactives, videos, and documents on a variety science concepts.

This site from PBS is a great web site for anyone interested in using some engineering skills. Travel to sizzling hot Char County and help the residents decide on three new domes.