Each ScienceNet Project includes a detailed project description, objectives, materials, and assessment tools. In additon, each project links to variations and extensions as well as extensive helpful hints. QuickTime videos, still images, applets, and WWW resources help project implementation. Introducing the Projects Balloon Cars Egg Drop Keep The Heat Model Rockets Mousetrap Cars Mousetrap Catapults Propeller Cars Toothpick Tower Water Rockets Motion Media Grapher© The Motion Media Grapher© is an Internet software utility designed for math and science classrooms. It is a tool to help students make the link between the mathematical and scientific concepts they learn in the classroom and their occurrences in the real world. The Motion Media Grapher© components are: a digital video component, a graph component and a table component. (System & browser requirements listed off the projects main page.)