Students are challenged to build a car with a sail that will propel forward when in front of a fan. Awesome activity for students to look at design, trial and error and inquiry.
Materials required: powerful fan (you can get a small round one at wal-mart for not much), wheels and axles for students to build cars out of, straws. students bring in cardboard to build the car, tape.
Included are introduction/explanation sheets, design worksheets, and evaluation worksheets