renewable energy 3_of_3
TRANSCRIPT
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RENEWABLE ENERGY RESOURCES 2013-2014
Day 3 of 3
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HMMMM....
If nonrenewable resources are resources that
cannot be re-made at a scale comparable to its consumption, what are renewable
resources?
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Renewable Resources Renewable Reso
urces Animation(1:30 min)
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Energy Consumption in the U.S. in 2009
Oil
Quickly review this
graph.
Notice how much
renewable energy
was used in 2009 in
the U.S.
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How much renewable energy is used in the USA in 2012?
90.7% is nonrenewable in 9.3% is renewable
Hydropower 35%Biomass Wood 22%Biomass Waste 5%Biomass Biofuels 21%Wind 13%Other 4%
http://www.instituteforenergyresearch.org/energy-overview/renewable-energy/
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Draw this bubble map in your notes
Renewable Energy
Resources
Solar
Biomass
WindHydro-electric
Geo-thermal
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BIOMASSEnergy from
burning organic or living matter.
Why is energy from biomass renewable?
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Biomass is Renewable Energy
All about Biomass Fuels Video (3:06)
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Food crops (Biomass)
My husband and I visiting Iowa’s corn fields in 2012
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Biomass EnergyAdvantages
1. Reliable 2. Available in most
places
3. Has been used throughout time for heat and light
4. Easy to transport
Disadvantages
1. Does not produce much electricity
2. Destroys habitats 3. Some air pollution
Renewable
The Lorax: How bad can I be?
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Hydropower or Hydro-electric
Energy from the flow of water.
Why is energy of flowing water
renewable?
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Hydropower Energy- How does it work?
Moving Water Experiment Video (3:58)
How a damn works- video (2:10)
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Niagara Falls (2007) - Canadian side
Columbia River Gorge (2008) - Oregon
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My Trip to Hoover Dam (2013)
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Helicopter Ride around the Hoover Dam
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Hydroelectric EnergyAdvantages
1. Reliable, with large rivers
2. No pollution 3. Easy to use, if you
are near a river or the electricity can be sent through power lines easily
Disadvantages
1.Destroys habitats up and down stream
2. Most rivers are already dammed (used)
Renewable
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WINDEnergy from
the wind.
Why is energy from
the wind renewable?
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Renewable Wind PowerWind Turbines Have you ever
seen one of these blades on a big truck before?
Wind Turbine Tour Video (2:38)
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Wind EnergyAdvantages
1. Reliable, in the right locations
2. No air pollution 3. Can produce a lot of
electricity4. Can utilize (use)
offshore areas, away from communities and most animals
Disadvantages
1. Expensive2. Doesn’t work
without wind3. Good locations
are limited4. Ugly and kills
birds/bats, loud
Renewable
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GEOTHERMAL
Energy from Earth’s heat.
Why is energy from the heat of the Earth renewable?
Geothermal- How does it work? Video (2:09)
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Renewable Geothermal EnergyHow geothermal energy can heat or cool buildings video (2:11)
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Geothermal EnergyAdvantages
1. Reliable- Earth’s heat is always available 24/7
3. No Pollution
4. Very little negative environmental impact
5. Great for heating and cooling newer buildings
Disadvantages
1. Crust is too thick in most places to provide enough heat for a huge power plant
2. Newer, less developed technology
Renewable
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SOLAR
Energy from the sun.
Why is energy from the sun renewable?
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Renewable Solar EnergySuper Awesome Sola
r Geek Video (11:15)
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Los Vados Canyon House: Solar Vacation House
Mrs. Buckingham has stayed in this house twice. It is the coolest place, located in Moab, Utah. It relies on solar energy for all of the guests’ needs.
(Hot water, lights, dishwasher, oven, laundry, hair dryers, entertainment, etc.)
The solar panels collect energy from the sun all day and charged the batteries that were kept in a shed. There was a meter inside the house that showed how much energy was available in the batteries. At night, as she used electricity, the meters showed the battery life decreasing. That will teach you to conserve energy!
During the week, a 3 day storm passed over Utah. The sun didn’t shine… but she still needed the electricity to cook dinner, turn on the lights and have hot water. The batteries quickly ran out and the power was off.
Turn and Talk: What other alternatives could the house have to power the electrical needs?
Thank goodness there was a back up generator! By using a tank of Natural Gas, we were able to generate (make) more electricity until the sun came back out. If we had used up all of this fossil fuel, we would have had to use candles!
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Solar EnergyAdvantages
1. Reliable 2. No air pollution 3. Available in
most places around the world
Disadvantages
1. VERY expensive 2. Only works with sun
light (night, storms are a problem)
3. need large, expensive batteries to store extra power
Renewable
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Compare the renewable resources usage between 2009 and 2012
2009
2012
Turn and
TalkCompare and
contrast the two
graphs.
What ongoing factors have
influenced this
change?
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SUMMARY
Turn and TalkWhat are the
advantages and disadvantages
between nonrenewable and renewable
resources?
Product: Write at least 5 sentences
describing the advantages and disadvantages of renewable and
nonrenewable resources.