Hydroelectric PowerHydroelectric Power

Niagara FallsNiagara FallsTennessee Tennessee

Valley AuthorityValley Authority

Niagara FallsNiagara Falls

Niagara FallsNiagara Falls

Flowrate - 200,000 ftFlowrate - 200,000 ft33 per second per secondSteep Drop - 160 feetSteep Drop - 160 feetFirst Hydroelectric Generator (1881)First Hydroelectric Generator (1881)

Who ???????Who ???????Large Scale Hydroelectric Generator (1896)Large Scale Hydroelectric Generator (1896)Today - US & CanadianToday - US & Canadian

4,200,000 kW4,200,000 kWLocated 4 miles Below Falls - Diverted WaterLocated 4 miles Below Falls - Diverted Water

Tennessee Valley AuthorityTennessee Valley Authority

Created 1933Created 1933 33 Major Dams33 Major Dams Knoxville To Paducah (Ohio River)Knoxville To Paducah (Ohio River) 100 Billion kwh Annually100 Billion kwh Annually Oak Ridge National LaboratoryOak Ridge National Laboratory

Tokamak FacilityTokamak Facility

ArchitectureArchitecture

PyramidsPyramidsGreat Wall Of ChinaGreat Wall Of ChinaStatue of LibertyStatue of Liberty

Egyptian PyramidsEgyptian Pyramids(Seven Wonders Of the World)(Seven Wonders Of the World)

Built 2700 BC To 1000 BCBuilt 2700 BC To 1000 BC PrimarilyPrimarily

Giza Near CairoGiza Near Cairo

Great PyramidGreat Pyramid481 feet High481 feet High756 feet Wide756 feet Wide

Great Wall Of ChinaGreat Wall Of China

Protection From Protection From Raids By NomadsRaids By Nomads

Began - 221 BCBegan - 221 BC Completed - 204 BCCompleted - 204 BC Later ExtendedLater Extended Length - 1500 milesLength - 1500 miles Height - 25 feetHeight - 25 feet Only 100 miles Still Only 100 miles Still

IntactIntact

Statue Of LibertyStatue Of Liberty Given By France To US (1886)Given By France To US (1886)

Commemorates CentenialCommemorates Centenial

French Sculptor - BartholdiFrench Sculptor - Bartholdi Copper Sheats On An Iron Copper Sheats On An Iron

FrameworkFramework 307 feet High307 feet High Became Symbol Of Freedom Became Symbol Of Freedom

Give me your tired, your poor, Give me your tired, your poor, Your huddled masses yearning to breathe free,Your huddled masses yearning to breathe free,

The wretched refuse of your teaming shore,The wretched refuse of your teaming shore,Send these, the homeless, tempest-tost to me,Send these, the homeless, tempest-tost to me,

I lift my lamp beside the golden doorI lift my lamp beside the golden door