Museum of Science
Museum of Science and Industry Chicago: Online Science: Drop Eggs Into Cups
Step-by-step illustrated instructions showing how to drop four eggs into four cups without touching them. Demonstrates the concept of inertia according to Newton's first law of motion.
Physics Central
Physics Central: Physics in the Bathroom: Ripping Neatly
A great science experiment to demonstrate Newton's First Law of Motion, inertia. There is a step-by-step guide on how to conduct this experiment and links to other sites about inertia.