山东省沂水一中高二英语 Unit 4 the first period课件(25) 新人教.ppt
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1、 Unit 4 Global warming2021/8/8 星期日1Unit 4The first period2021/8/8 星期日2 Teaching methodsTeaching methods situational teaching method;situational teaching method;cooperative learning method;cooperative learning method;programmed teaching method;programmed teaching method;task-based and assessment task
2、-based and assessment teaching methods.teaching methods.2021/8/8 星期日3Teaching aims and demands一、topic:Global warming;pollution;the importance of protecting the earth二、vocabulary三、functions:Agreement and disagreementBlame and complaint四、grammar:The use of it2021/8/8 星期日4Arrangement of teachingthe fir
3、st period:warming upthe second period:language points of readingthe third period:readingthe fourth period:learning about language and language points of using languagethe fifth period:using languagethe sixth period:grammarthe seventh period:exercises 2021/8/8 星期日51.Check up Daily Exercises2021/8/8 星
4、期日6energy sourcesWe depend on energy to do many things in our daily lives.For example,energy lights our cities and heats our buildings.Make a list of things that use energy in your home,in your school,or any other places you can think of.2021/8/8 星期日7stove light things that use energy in your home m
5、icro-wave oven cassette player heating television hairdryer video player fridge computer washing machine stove2021/8/8 星期日8Wind energy is used as power to produce electricity.Windmills2021/8/8 星期日9where electricity is produced by burning coals.The coal power stations2021/8/8 星期日10in which oil is ref
6、ined and made pure.The Oil Refineries2021/8/8 星期日11a facility designed to convert nuclear energy into electricity.A nuclear power plant2021/8/8 星期日12 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 panels2021/8/8 星期日13a
7、re used to keep back water and raise its level for irrigation or for producing electricity,etc.The Hydro-electric dams2021/8/8 星期日14Guess it!Uranium Ore(铀矿石铀矿石)The element uranium does not occur in pure form in nature but is found in minerals such as carnotite(钒钾铀矿)钒钾铀矿),pictured here.2021/8/8 星期日15
8、What source of energy?Geysers(间歇泉间歇泉)2021/8/8 星期日16Geothermal(地热的地热的)Energy Plant2021/8/8 星期日17 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?Discuss2021/8/8
9、 星期日18Things that use energy in your homeSources of energyRenewable/non-renewablelightheatingtelevisioncassette playervideo playercomputerfridgestovewashing machinehairdryercoaloilnatural gaswind(wind power)sun(solar energy)uranium(nuclear energy)water(hydro-electric power)plant waste(biomass energy
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