高中英语教学资料-M6-M6U4Warmingup Reading.pptVIP

From the following pictures, you will know where all this energy comes from. How does it work? The air inside is warm because the glass traps the heat from the sun and keeps it from escaping. This makes the greenhouse heat up and so the plants can grow throughout the cold period. What are the “greenhouse gases”? In the atmosphere surrounding the earth there are gases, which are called “greenhouse gases”, including carbon dioxide, methane(甲烷, 沼气) and water vapor. 1.Who wrote the magazine article? What is the name of the magazine? 2.What are the names of the three scientists mentioned in the article? The different ideas between Dr. Janice Foster George Hambley How many parts can the text be divided into? Tips: Part 1 (para __) Part 2 (para ___ to ___) Part 3 (para ___ to ___) Part 4 (para ___ to ___) What skills are used in the four parts? * Unit 4 Global Warming Work in groups ---list things as required : 1. Things that use energy around us or at any other places,( ie. light) 2.Sources of energy (ie. coal) Warming up – I ( ３m ) Sources of energy Things that use 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) methane windmills a coal power station The Oil Refineries A nuclear power plant Solar panels The Hydro-electric dams What is the greenhouse made and used for? What is global warming? How has this come about? What are the effects of global warming? Discuss the following questions: What is global warming? The earth is becoming warmer 2. How has this come about? Human activity—burning of fossil fuels greenhouse effect—greenhouse gases —we need gases Huge quantities of extra carbon dioxide 3. What are the effects of global warming? The sea level to rise, severe storms, droughts, fa