A simple presentation by Chiara Cerasuolo (age 12) about energy. It contains also some tips about saving energy

1. Chiara cerasuolo II E

5. It uses the wind which
turns big blades, whose
movement is converted
into electrical energy.

6. Hydropower plants use the
power of water; the man has
created dams and artificial
waterfalls to do it, diverting
rivers and disturbing the
balance of nature. Today the
man is trying to take
advantage of the currents of
the sea.