Wind energyby the Green recycling robot

team

Contents

Why do need renewable energy ?How does wind energy work?Examples and picturesAdvantagesDisvantagesFutureQuiz-(have you been listening]Question time

How does wind energy work?The force of the wind turns the rotor( which

is like a huge propeller)The rotor is connected to a generator; this is

machine that contains coils of wire and powerful magnets.

When the coils are spun quickly inside the magnets ,they produce electricity.

Why do we need renewable energy?We need renewable energy because all the

fossil fuels are running out.Renewable energy never runs out .

pictures

advantagesOnce the wind turbine is built ,running costs

are low.No waste or pollution is produced.The land occupied by a wind farm can still be

used for farming.Wind farms can become tourist attractions.

disadvantagesNo wind power Some people object because they feel wind

farms spoil the view.Wind farms create a constant low-level noise.They can interfere with television reception and

radar.

Future In the future we may run out of fossil fuels.Also the price of fossil fuels are rising.And to deliver fossil fuels is very expensive.

Quiz have you been listing?Why do we need renewable energy?What are wind turbines?How do wind turbines work?What is wind energy?

Question time?

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