2. How do people use the
wind to make energy?
· Wind can be used to generate
electricity
· This electricity is produced by a
wind turbine
3. How is wind formed?
Wind is caused by the
motion in the air. This
motion is produced by
the uneven heating from
the sun. When the sun
shines on the earth
4. How does a turbine generate electricity?
Instead of using
electricity to make wind,
like a fan, wind turbines
use wind to make
electricity.
5. Advantages of wind energy
·They do not pollute the
environment because they do
not us as much fossil fuels
·It is a type of renewable
energy (power can be
produced as long as there is
6. Disadvantages of wind energy
·They are expensive
·They make a lot of noise
·You need wind. If there is
no wind, no energy is
produced.
·Wind mills need a lot of
