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.
Science and Mathematics Initiative for Learning Enhancement (SMILE)
Smile: Lab Activity, Rotational Inertia
A lab activity in which students observe the rolling of objects along an inclined plane. The the rotational inertia of the objects are compared based upon their acceleration along the incline. Directions and assessment ideas are given.
PBS
Pbs Teachers: Tower of Coins Experiment
Demonstrate inertia by pushing a nickel out of the bottom of a stack without disturbing the rest of the stack.