Bellringer: Analyze this!.  Radiant energy from the sun heats Earth and atmosphere  This causes air to be warmed  Wind cycle!  Day Winds- air is.

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Presentation transcript:

Bellringer: Analyze this!

 Radiant energy from the sun heats Earth and atmosphere  This causes air to be warmed  Wind cycle!  Day Winds- air is heated from ground, warm air flows upward, cold air replaces it  Night Winds- air cools more quickly over land than water Wind Power

Atmospheric Wind -Same Concept -Air heated more from ground near equator -Creates global “jet streams”

On Shore and Off Shore Which is more efficient?!

 U.S. Dept of Energy- Great Plains wind could supply 75% of energy to 48 states  Texas and the Dakotas alone could power all of U.S. Wind Energy

 High start-up cost  Unreliable  Energy companies see it as a supplemental power  Strong winds usually not near population  Energy grids are not set up for wind Issues