Simple Machines I - Inclined Planes, Wedges, and Screws
The principles and uses of inclined planes, screws, and wedges are the focus of a science lesson. In it, youngsters come up with every day examples of simple machines, and build an example of one in class. That project is then used to test and experiment with these important principles of simple machines. An excellent, hands-on lesson which should have your charges buzzing with excitement!