2018-2019人教新目标高中英语选修六课件:unit 4 warming up &reading
40页1、选修6 Unit 4 warming up and reading,Unit 4,-warming up and reading,Global warming,energy sources,We depend on energy to do many things in our daily lives. For example, energy lights our cities and heats our buildings. What other things do we use energy for? Make a list of the things that consume energy in your home, school, or any other places you can think of.,stove,light,things that use energy in your home,micro-wave oven,cassette player,heating,television,hairdryer,video player,fridge,computer,
2、washing machine,stove,Wind energy is used as power to produce electricity .,Windmills,where electricity is produced by burning coal.,The coal power stations,in which oil is refined and made pure.,The Oil Refineries,a facility designed to convert nuclear energy into electricity.,A nuclear power plant,on the roof of a house on a bright sunny day are used to collect solar energy, making your house warm or heating your water.,Solar panels,are used to keep back water and raise its level for irrigatio
3、n or for producing electricity, etc.,The Hydro-electric dams,Guess it!,Uranium Ore (铀矿石) The element uranium does not occur in pure form in nature but is found in minerals such as carnotite(钒钾铀矿), pictured here.,What source of energy?,Geysers(间歇泉),Geothermal (地热的) Energy Plant,An energy source is “renewable” when supplies of it never run out and “non-renewable” when one day they will run out. Which energy sources on your list are renewable and which are non-renewable?,Discuss,light,heating,telev
4、ision,cassette player,video player,computer,fridge,stove,washing machine,hairdryer,coal,oil,natural gas,wind (wind power),sun (solar energy),uranium (nuclear energy),water (hydro-electric power),plant waste (biomass energy),hot spring or geysers (geothermal energy),the sea (tidal energy),non-renewable,non-renewable,non-renewable,renewable,renewable,non-renewable,renewable,renewable,renewable,renewable,What are these buildings made of and what is their purpose?,They are made of glass and plants c
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