Students present their favorite wind-up to the class and explain how it was made and how it works.
The car show:
Provide a format and audience for students to present their work. The presentation should include notebooks and worksheets, as well as finished products. The show could take any of several forms:
* Students create a museum display
* Students give oral presentations of their work to an audience
* Students present their work informally to visitors, “science-fair” style
* Students present their work to another class.