1. Hydroelectric
Power
By Nick C. & Dante H.

2. History
-2000 years ago Greeks used water wheel to
grind wheat into flour.
-40% of the US electricity was provided by
hydroelectric power in the early 1900's.
-The Hoover Dam first generated power in
1937, making 130,000 kw.

3. Hoover Dam

4. Hydroelectric
Hydroelectric power is made from falling or
flowing water. It's a widely used form of
renewable energy, accounting for 16% of
global electricity generation in 2010 and
expected to increase.

5. How it works

6. Pros and Cons
Pros
-That its does not burn anything
-That the water that is used doesnt go to waste
-Non-polution
Cons
-Takes time and money to install
-Earthquakes can damage generator
-Harms wildlife

7. The End