Windfarm Power Wonders

What is the MAIN idea of the article? 

• The use of wind power is growing. 
• Wind energy does not produce pollution. 
• The uses of wind power have not changed since ancient times. 
• Rock Port, Missouri was the first American city to be powered completely by wind. 

Which of the following details supports the MAIN idea? 

• Many people still use natural resources.
•  Sailors were the first to use wind power.
• When warm air rises, cooler air moves moves in to take its place. 
• Wind machines are the fastest-growing energy source in the United States. 

According to the article, why is wind energy more beneficial than natural resources, such as coal, natural gas, and oil? 

• Wind is easier to produce.
• It is less expensive to produce wind energy . 
• These natural resources can be renewed, but wind energy cannot. 
• Wind energy can be renewed, but these other natural resources cannot. 

How does electricity get to homes from the turbines? 

• through posts
• through wires
• through rods
• through blades

What can you conclude from the article? 

• Fewer cities will make use of wind power. 
• Wind machines are not becoming more efficient.
• Wind machines are becoming more expensive. 
• Scientists are looking for additional forms of renewable energy.