Wind Power: Harnessing Nature's Energy

What was the initial use of wind power in human civilization?

• To grind grain and pump water

• To generate electricity

• To power vehicles

• To heat homes

How many components can modern wind turbines have?

• 500

• 2,000

• 8,000

• 10,000

What is the average length of blades on modern wind turbines?

• 100 feet

• 150 feet

• 200 feet

• 250 feet

Which U.S. states have wind energy contributing more than 50% of total electricity generation?

• Texas and California

• Iowa and South Dakota

• New York and Florida

• Nevada and Arizona

What is the price range for wind power contracts in recent years?

• 1.5 to 4 cents per kilowatt-hour

• 5 to 10 cents per kilowatt-hour

• 10 to 15 cents per kilowatt-hour

• 15 to 20 cents per kilowatt-hour