Teach Engineering
Preconditioning Balloons: Viscoelastic Biomedical Experiments
What does stretching a balloon have to do with equilibrium? Groups explore preconditioning by stretching a balloon to a point of equilibrium. They then measure the amount of force required to stretch the balloon to the same point several...
Council for Economic Education
A Lesson on the Supply and Demand of Toy Fads
Let's all Hula Hoop! Scholars research the supply and demand side of toy fads in the United States. They analyze video clips and news articles to complete graphs on how the supply curve slope works in concert with the demand for products...