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Wind energy

Wind energy. by the Green recycling robot team . C ontents. Why do need renewable energy ? How does wind energy work? Examples and pictures Advantages Disvantages Future Quiz-(have you been listening] Question time. How does wind energy work?.

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Wind energy

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  1. Wind energy by the Green recycling robot team

  2. Contents • Why do need renewable energy ? • How does wind energy work? • Examples and pictures • Advantages • Disvantages • Future • Quiz-(have you been listening] • Question time

  3. 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.

  4. Why do we need renewableenergy? • We need renewable energy because all the fossil fuels are running out. • Renewable energy never runs out .

  5. pictures

  6. advantages • Once 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.

  7. disadvantages • No 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.

  8. 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.

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

  10. Question time?

  11. Thank you for watching

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