Uses engaging visuals and colourful graphics to explain the concept of work and how humans use certain basic tools to help get work done. Students will learn that work happens when a force is used to move an object over a distance. Six simple machines are explained: the lever, the wheel and axles, the pulley, the inclined plane, the screw and the wedge.

Teacher's guide and student worksheet is available under Additional info tag.

Also available VHS#800940.