Unit 4 Global warmingUnit 4The first period Teaching methods situational teaching method ; cooperative learning method; programmed teaching method; task-based and assessment teaching methods.Teaching aims and demands一、 topic: Global warming; pollution; the importance of protecting the earth二、 vocabulary三、 functions: Agreement and disagreement①②Blame and complaint四、 grammar : The use of ‘it’Arrangement of teachingthe first 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 1. Check up Daily Exercisesenergy 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. stove light things that use energy in your home micro-wave oven cassette player heating television hairdryer video player fridge computer washing machine stoveWind energy is used as power to produce electricity . Windmillswhere electricity is produced by burning coals.The coal power stationsin which oil is refined and made pure. The Oil Refineriesa 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 panelsare used to keep back water and raise its level for irrigation or for producing electricity, etc.The Hydro-electric damsGuess it! Uranium Ore ( 铀矿石 ) The element uranium does not occur in pure form in ...
