Show:
History of wind and turbines
Turbines and Wind farms
The advantages of wind power
The disadvantages of wind power
Wind power around the world
100
Fill in the blank: Wind power is not new. Five thousand years ago, the ________ used windmills.
Chinese
100
In a turbine, the blades turn a generator to make electricity. Where does the cable take the electricity?
It takes it to homes, factories, and schools.
100
Fill in the blank: One advantage is that there will always be wind, but there is only a limited amount of oil, coal and ____.
gas
100
Fill in the blank: One disadvantage of wind power is that turbines and settl towers are _________ to buy and build.
expensive.
100
Name two countries that are produces of energy fro wind.
Spain, Germany, the United States, India, and Denmark.
200
Fill in the blank: In the seventeenth century, the peopel of the Netherlands build windmills to pump ________.
seawater
200
What is a group of turbines called?
they are called wind farms.
200
What is one advantage of wind power?
We will never run out of wind power.
200
What is wind power noise pollution?
The wind power makes a noise like "swoosh swoosh"
200
What country's wind power is the most ambitious?
Denmark.
300
What do we use wind for nowadays?
to make electricity
300
Fill in the blank: Some wind farms have only a few turbines; some have ________.
hundreds
300
How is wind power a clean form of energy?
It does not make gases that cause air pollution.
300
Even though wind power creates noise pollution it is not as bad today. The noise sounds like waves at a ______.
beach
300
What percentage of energy does Denmark get from wind?
20%
400
What is a wind turbine?
A wind turbine is a simple machine that makes electricity.
400
Where are wind farms usually placed?
they are usually placed in fields.
400
What is visual pollution?
Turbines are not good to look at.
400
Fill in the blank: Four times more energy comes from wind now than it did _____ years ago.
five.
500
Fill in the blank: The turbines are placed on ______ towers that are 10 to 85 meters high.
towers.
500
Fill in the blank: Wind farms are usually placed in fields, but some are on platforms in the ____ where the wind is strong and steady.
sea
500
Why do farmers like wind power?
Electric companies pay the farmers to use their land but they can still grow crops and animals.
500
Even though some people don't like the sight of turbines, some do. Fill in the blank: some wind farms are now _______ sites.
tourist
500
Fill in the blank: Perhaps one day, all countries will use this safe, ______ method to make electricity.
clean.