Alternative EnergyArnav Jain 5c
What is Alternative Energy?• Solar• Wind • Geothermal
SolarSolar energy is powered by the sun. It is also
a renewable source of energy.Solar panels use this energy to create
electricity.-
Advantages of Solar EnergyNo pollution RenewableAll purpose : heating, cooking, and lighting.
Disadvantages of Solar EnergyIf there is no sun on a cloudy day, then there
is no power.Solar stations are very expensive.
WindWind energy is wind. This is also a renewable
source of energy.Wind turbines are used to convert this energy
into electricity.-
Turbine
Advantages of Wind EnergyNo pollution.Renewable.Stations can be made off shore as well as on
land.
Disadvantages of Wind EnergyIf there is no wind then there is no powerTurbines are very expensive
GeothermalGeothermal energy is basically the heat from
the earth.It is mostly hot rocks under the ground that
produce steam that powers turbines that creates electricity.
http://www.youtube.com/watch?v=-ajqiPe_9Ko
Advantages of Geothermal EnergyIf used in the correct way then there is no
pollutionStations are self sufficient energy wiseThe stations do not harm landscape as the
stations are very small
Disadvantages of Geothermal EnergyIf used in the incorrect way then can leave
areas polluted as it may release harmful gases
Stations are prone to running out of steam
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