The document discusses six simple machines - the lever, inclined plane, wedge, screw, wheel and axle, and pulley - and how they make tasks easier by allowing parts to work together. It provides examples of everyday items that use simple machines and instructs students to identify simple machines in diagrams. Students are asked to draw their own machine using multiple simple machines and to build a simple machine using materials in a box to demonstrate how simple machines work.

1. Working together gets the job done! Presented by: Brianna Cooke 2-13-10

12. Rube Goldberg’s Cartoon Inventions

15. Step 4: Draw one of your own try and use two or more simple machines.