| Term | Definition |
|---|
| air current | Air moving from an area of high pressure to an area of low pressure |
| anemometer | Any instrument for measuring the speed of wind |
| controller | A regulating mechanism |
| fixed- speed wind turbine | Is set to go only one speed no matter how high the winds are |
| jet stream | Strong and concentrated winds in a relativly narrow and shallow stream in the upper half of the earth |
| stand-alone wind tubrine | A wind turbine that is standing by itself |
| variable - speed wind turbine | A wind turbine that goes at the same speed as the wind |
| wind farm | Many wind turbines all standing toghether |
| In Europe around 1910 | When and where was the first wind turbine that could generate electricity designed? |
| Late 1930's | When did the U.S. bring in the wind turbines? |
| Open plains, mountain passes, and windy coastlines | Where are turbines often seen today? |
| Terrain | What is wind greatly effected by? |
| 1 - 7 | What is the scale of wind power? |
| 1 | What is the lowest wind power for the scale of 1 through 7? |
| 7 | What is the highest power for the scale 1 through 7? |
| 3 - 7 | What is the usual clasification for the scale? (1 - 7) |
| Blades | What does the wind spin? |
| A hub | What are the blades attached to? |
| 10 - 15 mph | What speeds do the wind turbines begin to turn? |
| 55 - 60 mph | What speed do they automatically shut off at? |
| Germany, United States, Denmark, Spain, and India | Name the top 5 consumers of wind energy |
| 2 | How many groups are wind turbines usually divided into? |
| Small - Scale and Large - Scale | What are the names of the two classifications of wind turbines? |
| less than 100 kw | What does small scale generate? |
| between 100 kw and 750 kw | What does large scale generate? |
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