Steve Spangler Science
Desktop Catapult - Sick Science! #045
This is bound to be the favorite lesson of the year for your physics class since they design desktop catapults. They can experiment with angles, weight, and trajectories. Instructions are provided for making the catapult out of a plastic...
Curated OER
Simple Machines
Simple machines and the relationship between work and force are defined. Inclined planes, the wheel and axle, pulleys, levers, wedges, and screws are detailed. This video consists entirely of typed white print appearing across a purple...