2019-2020年高中英语Unit1HealthMatters教案1.doc

2019-2020年高中英语Unit1HealthMatters教案1THE GENERAL IDEA OF THE SECTION1 This unit dicusses the phenomenon of global warming: Students will talk about the weather and further investigate global warming.TEACHING AIMSThe project in this unit is designed to help students to work in small groups to gather information about global warming, answer some questions about it and present their findings to the class.TEACHING DIFFICULT POINTTo ensure every student to have a chance to express himself/herselfTECHING METHODIndividual, pair or group work to make everyone work in class.TEACHING AIDSMultimediaA blackboardTEACHING PROCEDUREStep 1 Greetings and lead-inT: Good morning, boys and girlsSs: Morning, sirT: Wele to this unit! Glad to meet you here and Im glad to teach you the interesting topic. First of all, please allow me to introduce this unit is about global warming. Something that might be regarded as some form of disease. It is helpful to promote students awareness of human health that depends to a large extent on the health of nature. Now read the text and answer some questions. T: The play is set in Beijing, where an international conference on climate change is being held, true or not?S1: False.T: Scientist Number One is optimistic, and Scientist Number Two is pessimistic, about global warming, true or not?S2: False.T: Scientist Number Two believes that we have misread and misinterpreted changes in temperature, true or not?S3: True.T: Carbon dioxide es from factories, true or not?S4: True.T: The play tells us that we are safe, that trees are continuing to grow, and that the earth will last millions of years, true or not?S5: False.Step 2 ExpectionThis text is about global warming. Now, try and identify each picture and how it might relate to global warming. Try to guess for each picture. Write the following ideas on the board. Divide the class into groups of six. Ask each group to:1. Provide a definition for each concept.2. Provide examples for each concept.3. Provide an explanation as to how they think these 6 concepts are related to global warming.Climate change. Write the words on the board. industrial activity fossil fuel carbon dioxide human pollution natural factorsDivide the class into groups of seven. Seven students for each character in the play. Ask each group to choose a character in the play: TV Announcer, Scientist Number One, Scientist Number Two Smokestack Industries, an automobile, a tree and the earth. Discuss the meaning of cause and effect. And discuss with the class the relevant informantion for each box.CAUSE EFFECTIndustrial ActivityGreenhouse EffectChanges in plantsStep3 following questions: The design of the writing on the blackboard1. What do you think the four things Scientist Number One mentioned so support her idea that we are in danger?2. What do you think the four things Scientist Number Two mentioned so support her idea that we are in danger?4. what is the main idea of Smokestack industries said?5. what is the main idea of Automobile said?6. what is the main idea of Earth said?Step4 Summary and homeworkT: Today we have a good beginning .We learn some knowledge about the Global warming, After class, please find out more reasons about Global warming. Activities and Research1 Hoe does the greenhouse effect develop?2 What role do trees play in achieving our environmental balance?