National Park Service
Pulley Systems Used at Fort McHenry
What a great opportunity to integrate science into your lesson on the War of 1812! Discover how pulley systems were used to move 1,000 lb. cannons at the Battle of Fort McHenry, and to raise the flag that would inspire Francis Scott...
Curated OER
Farming in the 1930's
Students research and conduct experiments with several types of simple machines. They examine levers, pulleys, inclined planes, wheels, axles, wedges and screws and then consider the physics behind "Green Eggs and Ham".
Curated OER
Galileo Galilei Questions for Study
In this online interactive philosophy worksheet, students respond to 10 short answer and essay questions about Galileo's contributions to science.