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Dan, Danielle, Hillary. What is Geothermal energy  Geothermal energy is a form of energy that comes from the earths natural heat  It comes from radioactive.

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Presentation on theme: "Dan, Danielle, Hillary. What is Geothermal energy  Geothermal energy is a form of energy that comes from the earths natural heat  It comes from radioactive."— Presentation transcript:

1 Dan, Danielle, Hillary

2 What is Geothermal energy  Geothermal energy is a form of energy that comes from the earths natural heat  It comes from radioactive decay and sunlight  It is efficient and inexpensive  However it is limited to the edges of the tectonic plates

3 advantages  The power is constant  It is very clean energy  The power is renewable  New technologies have made it more accessible to other areas of the world

4 Disadvantages  Geothermal energy has low heat so unless the exhaust can be directly used the heat left over is wasted  It is limited to areas around the tectonic plate and other geothermal hot spots  Wells drilled release co2 and other pollutants.

5 How do the plants work  Dry Steam Plants- these plants use geothermal steam to power turbines.  Flash Steam Plants- use pressurized water to flash into steam and turn turbines  Binary Cycle Plants- these are the newest plants that use a liquid with a boiling point lower than water and different pressures to flash steam and turn turbines

6 Heat uses  Most of geothermal heat is used in space heating.  A third of the energy is used for heating pools  The leftovers are used for agricultural uses

7 What are the top three countries using this energy  1-usa  2-Phillipines  3-indonesia


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