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Another Look at Renewable Energy Resources Student will identify five types: hydroelectric, solar, wind, biofuels and geothermal Alternative Energy Resource: What is the renewable Advantages and Disresource? advantages Geothermal Energy Geo= _________________ Therm= _______________ Geothermal energy is always produced ___________________. Advantages: Scientist drill into the Earth to reach __________ from the ______________. Disadvantages: There are hot spots on Earth where __________________bubble out of the Earth. A _____________ is a hot spring Alternative Energy Source: What is the renewable Advantages and Disresource? advantages Hydroelectric Power hydroelectric power •Moving __________is used to make__________________. •Hydro is a prefix that means _____________. Advantages: •Water is renewable •It is a clean energy source •Water is the renewable resource. It is renewed in the water cycle. Disadvantages: •It costs a lot to build a dam •Turbines turn moving water •It can damage habitats into __________________ energy. •It can damage the environment and dry up flood plains Alternative Energy Source: Solar Energy What is the renewable Advantages and Disresource? advantages •Solar panels are used to collect the ___________________. They change the sun’s energy into ___________________ •Sol is a root ______________ Advantages: •The sun is renewable •It is a clean energy source Disadvantages: •Solar panels can be expensive •Solar energy is ___________________ •They don’t work when it is •The sun is always shining. •They don’t produce electricity cloudy at night Alternative Energy Source: Wind turbine Farm What is the renewable Advantages and Disresource? advantages A wind turbine captures Advantages: the ____________. It turns moving air into _____________. Air or wind is a renewable resource. It can be _____________________. Disadvantages: Alternative Energy Source: Biofuels or Biomass What is the renewable Advantages and Disresource? advantages Biofuel from plants A biofuel uses the energy Advantages: in ____________. It turns plants or animal waste into a _____________. • • • Biofuels are ________________resource. Renewable energy source Plants can be quickly regrown Animal waste products readily available Waste or plants can quickly be ___________________. Disadvantages: It’s what we’ve been burning to create energy for years like wood, grass, and peat • • Impact of using crops as fuel and NOT food. Doesn’t release the same amount of energy as fossil fuels Renewable Energy Sources Water and Geothermal Hydroelectric Energy Solar Energy Wind Energy Biofuels