高二英语选修6 unit 4教案1.doc

教案1 Unit 4 Global warming Warming up Listening Teaching goals Enable the students to know something about energy resources and something that use energy, and listen for details and catch the specific information as much as possible. Learning ability goals Enable the students to predict some important information in the process of listening and encourage the students to talk about the situations according to the listening materials. Teaching important and difficult points How to make sure the answers of listening material. Teaching aids A recorder and cassette tapes, a projector, and a computer Teaching procedures Step 1 Warming up Do you know any kind of energy resource? Do you know anything that use energy? things that use energy in a house Slide show: some pictures of things that use energy in a house. Things that use energy Sources of energy ?lights television cassette player computer fridge stove washing machine hairdryer video recorder coal oil natural gas wind power sun solar energy water hydro-electric power the sea tidal energy uranium nuclear energy plant waster biomass energy T: Now let’s look at some more pictures and decide whether they are renewable or not. Slide show: pictures of some forms of energy wind energy renewable solar energy renewable hydroelectric power renewable geothermal energy renewable tidal energy renewable biomass energy renewable nuclear power plant, non-renewable picture an oil refinery 精炼厂 , non-renewablecoal power station, non-renewable picture natural gas non-renewable picture uranium Ore 铀矿石 non-renewableThe element uranium does not occur in pure form in nature but is found in minerals such as carnotite（钒钾铀矿）, pictured above.non-renewable coal oil natural gas Uranium fossil fuels renewable wind wind power sun solar energy water hydro-electric power plant waste biomass energy hot springs or geysers geothermal energy the sea tidal energy Slide show What are fossil