Student PowerPoint Presentation Prototype Coal Replacement Unit Student PowerPoint Presentation Prototype Coal Replacement Unit Edu 741 Survey of Ed Tech Steve Gibbs/Touro University Steve Weaver Fall 2010 Coal Replacement Unit Presentation by Billy Schmilly Sally Wally Coal Replacement Unit Presentation by Billy Schmilly Sally Wally Redwood Middle School 3rd Trimester, 2011 Redwood Middle School 3rd Trimester, 2011 Coal Replacement Unit Presentation Coal Replacement Unit Presentation Coal MUST GO but what should we replace it with? Coal MUST GO but what should we replace it with? Vocabulary nonrenewable energy resource A source of energy that cannot be replenished (made again) in a short period of time, like coal. renewable energy resource Energy that can be replenished naturally or is always in supply, like solar. clean energy Energy sources that do not pollute, like hydropower. Electricity Production by energy source in the United States Coal Pros / cons nonrenewable Energy source ProsCons coal cheap easy to get pollutes dangerous petroleumused for many thingsdangerous pollutes nuclear fission clean energy radiation dangerous nuclear fusion may be unlimited?doesnt exist yet How electricity is generated heat creates steam crushed coal is burned steam turns turbine turns generator electricity flows to customers How Solar Works Photons from the sun hit silicon atoms, which get excited, and form a current. Many mirrors focus the sun on the top of the pillar, molten salt turns a turbine My Choice to reaplace coal is.... because because supporting statements with specifics,examples, details supporting statements with specifics,examples, details supporting statements with specifics,examples, details Want extra credit ? How nuclear fission creates electricity FIN