EnergyEnergyResourcesResources

Earth Sci Ch. 26Earth Sci Ch. 26

The Amazing Mr. BattsThe Amazing Mr. Batts

Traditional sources of EnergyTraditional sources of Energy

Wood-fuel for heating and cookingWood-fuel for heating and cooking

Field crops and fecal material are also Field crops and fecal material are also burned.burned.

Fossil FuelsFossil Fuels

Energy sources that formed over geologic Energy sources that formed over geologic time (millions of years)time (millions of years)

From decomposition and compression of From decomposition and compression of organic matterorganic matter

Ex= coal, oil, natural gas, petroleumEx= coal, oil, natural gas, petroleum

How oil formsHow oil forms

Ocean Odyssey - Oil [www.keepvid.com].Ocean Odyssey - Oil [www.keepvid.com].mp4mp4

Alternative Energy ResourcesAlternative Energy Resources

HydroelecticHydroelectic Power - How it Works [www.keepvid.com] Power - How it Works [www.keepvid.com].mp4.mp4

Geothermal Energy Process Geothermal Energy Process [www.keepvid.com].mp4[www.keepvid.com].mp4

SolarSolar

Advantages:Advantages: Will last foreverWill last forever FreeFree No pollutionNo pollution

Disadvantages:Disadvantages: Can’t use at night, unless use batteriesCan’t use at night, unless use batteries Solar panels and installation are expensiveSolar panels and installation are expensive

Hydroelectric powerHydroelectric power

Advantages:Advantages: Neverending supplyNeverending supply NonpollutingNonpolluting

Disadvantages:Disadvantages: Must be located near a riverMust be located near a river Can flood large areasCan flood large areas Alters ecosystemsAlters ecosystems

Geothermal EnergyGeothermal Energy

Advantages:Advantages: Abundant and reliableAbundant and reliable

Disadvantages:Disadvantages: When tapped, cooler water takes its placeWhen tapped, cooler water takes its place Has minerals that can clog pipesHas minerals that can clog pipes

Wind EnergyWind Energy

Advantages:Advantages: Unlimited energy sourceUnlimited energy source Wind farms can be built quicklyWind farms can be built quickly Nonpolluting, don’t need waterNonpolluting, don’t need water

Disadvantages:Disadvantages: Not steady winds in all areasNot steady winds in all areas Not attractiveNot attractive

Nuclear EnergyNuclear Energy

Advantages:Advantages: Don’t produce CODon’t produce CO22 (clean energy) (clean energy) Little Uranium makes lots of energyLittle Uranium makes lots of energy

Disadvantages:Disadvantages: Risk of nuclear accidentRisk of nuclear accident High costs to built and operateHigh costs to built and operate

Japan videosJapan videos

YouTube - Caught on Tape: Tsunami hits YouTube - Caught on Tape: Tsunami hits Japan port townJapan port town

YouTube - Scary footage: Tsunami waves YouTube - Scary footage: Tsunami waves raging, buildings burn after 8.9 Japan raging, buildings burn after 8.9 Japan earthquakeearthquake

BiomassBiomass

Advantages:Advantages: Usually easy to findUsually easy to find Can use trees, grass, animal wastesCan use trees, grass, animal wastes

Disadvantages:Disadvantages: Produces COProduces CO22 and particulates (smoke, ash) and particulates (smoke, ash)

How can we use energy more How can we use energy more efficiently?efficiently?

(student response)(student response)

Cars, at home, at school, electricity, Cars, at home, at school, electricity, appliances, carpooling, insulation, appliances, carpooling, insulation,

Human impactsHuman impacts

Ozone hole- CFCsOzone hole- CFCs Global warmingGlobal warming Acid rain (pH less than 5.0; sulfur dioxides Acid rain (pH less than 5.0; sulfur dioxides

and nitrogen oxidesand nitrogen oxides

Water Usage in the USWater Usage in the US

41% Agriculture41% Agriculture 38% Power plant cooling38% Power plant cooling 11% Industry11% Industry 10% Public10% Public

ReferencesReferences http://www.blogcdn.com/www.autoblog.com/media/2006/03/Cow-Duhttp://www.blogcdn.com/www.autoblog.com/media/2006/03/Cow-Du

ng-resized.jpgng-resized.jpg http://www.pewclimate.org/docUploads/images/burning%20wood.jphttp://www.pewclimate.org/docUploads/images/burning%20wood.jp

gg http://c2431622.cdn.cloudfiles.rackspacecloud.com/wp-content/uplohttp://c2431622.cdn.cloudfiles.rackspacecloud.com/wp-content/uplo

ads/2008/09/sun_cme.jpgads/2008/09/sun_cme.jpg http://jonathanhaynes.com/windmill2.jpghttp://jonathanhaynes.com/windmill2.jpg http://www.youtube.com/watch?v=0kHRbns-8sohttp://www.youtube.com/watch?v=0kHRbns-8so http://www.youtube.com/watch?v=cEL7yc8R42khttp://www.youtube.com/watch?v=cEL7yc8R42k http://www.youtube.com/watch?v=rfUQy86ZMpQhttp://www.youtube.com/watch?v=rfUQy86ZMpQ http://worldclimateissues.files.wordpress.com/2010/01/http://worldclimateissues.files.wordpress.com/2010/01/

solar-panels-roof1.jpgsolar-panels-roof1.jpg http://kivafellows.files.wordpress.com/2009/11/paute1.jpghttp://kivafellows.files.wordpress.com/2009/11/paute1.jpg