Students learn to define and recognize the six simple machines: the inclined plane, the wedge, the screw, the lever, the wheel and axle, and the pulley. Real life situations demonstrate the function and purpose of each machine. Students learn the definition of work and the relationship between force and distance.

Originally released by Mazzarella Media, 2014. Streaming video file encoded with permission for digital streaming by Infobase on July 20, 2016.

What is a Machine? (2:18); --Inclined Plane (1:25); -- Wedge (1:46); -- Screw (1:55); -- Lever (2:43); -- Wheel and Axle (1:39); -- Pulley (1:04); -- Simple Machine Review (0:30); -- Credits: Simple Machines: Real World Science (REVISED) (-14:0-20); .