| Animated Engines [ Kids/Teens/Mature Teens ] - Animated pictures explain the inner workings of a variety of steam, stirling, and internal combustion engines. http://www.keveney.com/Engines.html |
| Simple Machines [ Kids ] - Gives real-life examples of the six simple machines, plus an easy quiz, and links. http://www.mikids.com/Smachines.htm |
| Simple Machines [ Teens ] - Explains simple machines such as levers, gears and pulleys with text, pictures and animations. http://www.simplemachines.info |
| Simple Machines Learning Site [ Kids/Teens ] - An overview of the six basic types of simple machines with pictures and student drawings. http://www.coe.uh.edu/archive/science/science_lessons/scienceles1/finalhome.htm |
| The Secret Life Of Machines [ Kids/Teens/Mature Teens ] - Drawings and explanations to common machines and how they work. http://www.secretlifeofmachines.com/ |