Lesson 1 Review

Lesson 1 Review - Hydropower, Solar, Wind, Tidal,...

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Review Sheet – Energy and Society Forms of Energy o Mechanical energy Potential Energy Kinetic Energy o Chemical Energy o Thermal or Heat Energy o Electrical Energy o Nuclear Energy Fission Fusion o Radiation Electromagnetic Spectrum o The lower the energy, the longer the wavelength and lower the frequency, and vice versa Energy can be converted from one form to another Units of Energy o BTU, Calorie, calorie, Joules, kWh, Therm o Food Calorie (usually written with ‘C’) o calorie (usually written with ‘c’) o 1 Food Calorie = 1000 calories Units of Power o Watts, kW (kilo-watts), J/s, HP, cal/s Sources of Energy o Renewable Can be replenished over and over again; they are never depleted
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Unformatted text preview: Hydropower, Solar, Wind, Tidal, Geothermal energy from inside the earth, Biomass from plants, Nuclear Fusion o Non-renewable Cannot be replenished over and over again; they get depleted Fossil fuels, Tar Sands, Nuclear Fission o Fossil Fuel Distribution US has a lot of Coal reserves Middle East has a lot of petroleum reserves Definitions o Power is the rate at which we do work o Energy is the capacity to do work o Work is the amount done Power = Energy / Time Energy = Power x Duration of Usage (time) Energy consumption/day = Power consumption x hrs used/day...
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Lesson 1 Review - Hydropower, Solar, Wind, Tidal,...

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