Everyday we do work, and most of the time we use tools to help us. This program begins by explaining what work is. The relationship between work and energy is then explored. Common examples of tools used to make work easier are highlighted. Concepts and terminology: work, energy, machine, simple machine, wedge, wheel and axle, and lever.

Originally released by Visual Learning, 2013. Streaming video file encoded with permission for digital streaming by Infobase on April 18, 2015. Teacher's guide available under Additional info tag. Also available as DV5449.

What is Work? (1:50); --Work and Energy (0:56); -- Things that Help us Work (1:40); -- Simple Machines (1:35); -- Video Review (0:48); -- Video Quiz (1:43); -- Credits: Helping Us Work (0:44); .