Learn about work, motion, force, friction and speed. Learn the 6 basic simple machine types (wheel and axle, pulley, lever, wedge, screw, inclined plane) and compound machines. Your purchase consists of 1 downloadable PDF file consisting of a 37 page lesson and 26 pages of quiz material. The lesson is designed for viewing on a laptop/tablet or to be printed out. The lesson is designed for the parent, tutor, or teacher to guide the child through the material. There are many options on how to