Simple Machines (Scienceworks for Kids) (Paperback)
NOT on our shelves now. Usually ships from warehouse in several days.
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.