Learners discover what forces work together to hold up a suspension bridge. They see various bridges around the world, and learn the basic principles that enable each bridge to support itself. Groups design their own bridge, testing how...

Students measure and predict the behavior of a fractal.  In this investigative lesson students divide into groups, and participate in an activity that includes drawing triangles and coloring vertices. 

Students recognize how parabolas are used in architecture and calculate a constant of variation.

Students produce a vertical profile of a stream and map and define thalweg, point bar, and cut bank. They measure flow velocity differences across a stream transect and equate flow velocity with size of substrate sediment collected.