Simple Machines covers these concepts:
work is done when a force is used to move something over a distance
some jobs take more work that other jobs
machines make work easier
machines may have few
many, or no moving parts
the lever is a simple machine
the wheel and axle is a simple machine
the pulley is a simple machine
the inclined plane is a simple machine
the screw is a simple machine
the wedge is a simple machine.
A variety of engaging activities present the concepts in ways that students can understand. Each concept presented includes:
teacher directions for lessons
reproducible resource pages such as sets of picture cards, minibooks, and lab sheets to record the results of hands-on investigations
This resource contains teacher support pages, reproducible student pages, and an answer key.