Energy. Energy and you People of all ages use energy and have the opportunity to reduce their...
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Transcript of Energy. Energy and you People of all ages use energy and have the opportunity to reduce their...
![Page 1: Energy. Energy and you People of all ages use energy and have the opportunity to reduce their environmental impact through energy efficient behaviors.](https://reader035.fdocuments.us/reader035/viewer/2022062504/5a4d1aea7f8b9ab05997a362/html5/thumbnails/1.jpg)
Energy
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Energy and youPeople of all ages use energy and
have the opportunity to reduce their environmental impact through energy efficient behaviors.
Anyone can help support energy efficiency education.
This is a current topic which will affect you and your life, for better or worse.
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There are 2 types of energyNonrenewable Energy
Renewable Energy
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Non-Renewable EnergyA natural resource that cannot be re-
made, re-grown or regenerated.(in a sufficient amount of time to balance supply and demand.)
Examples:
CoalOil Natural gasNuclear
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Fossil FuelsA natural fuel which is made from
remains of living organisms .The process to create these fuels takes millions of years. Examples:
• Coal, oil, and
natural gas
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CoalCoal is burned and releases
energy. This energy is converted into electricity.
Coal has been used for thousands of years but demand increased during the Industrial Revolution.
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OilCrude oil is found thousands of
feet in the ground. It is drilled out and refined
(purified) before it is used to produce energy.
ExamplesDiesel, Jet fuel,Gasoline, Asphalt
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Natural GasCreates energy through
combustion (burning).If your house has a heater, oven,
or boiler that runs on gas, it is natural gas.
• Natural gas is odorless.
• The smell from natural gas is added for safety reasons.
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Nuclear EnergyPower taken from radioactive
materials.Produces waste which can
extremely damage the environment.
Where should we put the waste?
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Renewable Energy
Solar EnergyWind EnergyWater EnergyBiomass EnergyGeothermal Energy
Some types of Renewable energy have been around and used for centuries.
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Solar Energy
• Solar panels generate electricity by using solar radiation.
• Solar energy is used in some planes, cars, buildings, and it powers satellites.
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Wind EnergyWind blows and turns these
gigantic fans called wind turbines.
This rotation spins a turbine which generates electricity.
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Hydroelectric (water energy)• Flowing water can generate
electricity by turning turbines.
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BiomassCan be burned (combustion) Can be converted into various forms
of biofuel◦Fermented- sugar turns into alcohol
Methane- made by using heat to break down plant matter (without burning it)
fuels steam generators, combustion turbines, combined cycle technologies or fuel cells
http://www.youtube.com/watch?v=6vLhm-UQ454
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Geothermal Energy• Uses heat from the earth to make
electricity.
• Geothermal steam and hot springs have been used for bathing for millennia (thousands of years).