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Physics

Simple Machines

BACK TO:

NOVA

RESOURCE	GRADE LEVEL	MEDIA TYPE
Energy Transfer in a Trebuchet On NOVA, a team of carpenters, timber framers, engineers, and historians recreate a medieval throwing machine called a trebuchet. This adapted video segment explores how understanding energy transfer informs their design.	6-12	Video
Galileo: His Experiments This interactive activity from the NOVA Web site samples Galileo's experiments with falling objects, projectiles, inclined planes, and pendulums.	6-12	Interactive
Galileo: His Place in Science Einstein called Galileo the "father of modern physics." This media-rich essay from the NOVA Web site looks at Galileo's quest to understand the mathematics of motion.	6-12	Document
Galileo's Inclined Plane How did Galileo figure out the mathematics of falling bodies? This video segment adapted from NOVA examines Galileo's work on motion.	6-12	Video
Lever an Obelisk Investigate the mechanical advantage of the lever in this interactive activity from the NOVA Web site.	6-12	Interactive
Levers: Raising the Moai on Easter Island In this video segment adapted from NOVA, a team of archaeologists and engineers explores different uses of the lever by recreating the engineering feats of the ancient Easter Island peoples.	3-12	Video
Raising an Obelisk: An Engineering Puzzle This video segment adapted from NOVA follows two teams as they each test a different engineering design in an effort to explain how ancient Egyptians raised a giant stone obelisk.	3-12	Video
Steam Machine Explore NOVA Online's interactive steam engine and discover how this machine can convert heat to mechanical energy.	3-12	Interactive