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Subtopic: Work and Simple Machines

Resource Grade Level Media Type
Building Simple Machines: A Glass of Milk, Please  

Building Simple Machines: A Glass of Milk, Please
In this video segment adapted from ZOOM, the cast shows how the 34 steps in their Rube Goldberg invention use everything from gravity to carbon dioxide gas in order to accomplish one simple task: pouring a glass of milk.

3-8 QuickTime Video
Building Simple Machines: Plant Quencher  

Building Simple Machines: Plant Quencher
In this video segment from ZOOM, Jillian explains how her simple machine uses marbles, levers, flowing sand, and a spinning wheel to water a plant.

3-8 QuickTime Video
Lever an Obelisk  

Lever an Obelisk
Investigate the mechanical advantage of the lever in this interactive activity from the NOVA Web site.

6-12 Shockwave Interactive
Levers: Raising the Moai on Easter Island  

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 QuickTime Video
Raising an Obelisk: An Engineering Puzzle  

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 QuickTime Video