Unit22EnvironmentalProtection-Period1Warm-upLesson1GlobalWarming教材分析与导入设计北师大Module8

1、Unit 22 Environmental Protection -Period 1 Warm-up & Lesson 1 Global Warming教材分析与导入设计(北师大Module 8 )Module 8Unit 22 Environmental ProtectionPeriod 1 Warm-up & Lesson 1 Global Warming(1) 三维目标A. Knowledge and skills1) To read a text about global warming and understand it.2) To practise using re

2、porting verbs, e.g. warn, tell, ask, promise.3) To practise using vocabulary related to global warming.4) To know the cause of global warming and what we can do to stop it.B. Process and methods1) In dividual and group work.2) Discussion.C. Emotion, attitude and values1) To read a text about global

3、warming and improve reading skills.2) To practise using vocabulary related to global warming.3) To practise using reporting what a person has said, eg. reporting.4) To develop the habit of protecting our environment.(2) 教学重点1) Improve students reading ability by reading the text.2) Learn the grammar

4、: reporting.3) Make the students form the habit of protecting the environment.(3) 教学难点1) Grammar: reporting.2) Learn to use the new word and phrase about global warming correctly.(4) 教学建议By showing the students the materials printed in the textbook, students may understand the condition of environme

5、ntal pollution, especially the serious effect of global warming. But the point is that we can not just know it. It is time for each of us to take acti on. At the mome nt, we have to voice the proverb: Actio ns speak loud tha n words. Therefore, it is our duty to tell the stude nts how to protect our

6、 only one earth.新课导入设计Sample1Ask Ss to discuss the following questions :1. What is global warming? What are the causes of global warming?Keys: Global warning is an average in crease in the earth' s atmosphere. Traffic jam, factories andgree nhouse effect are all the causes of global warm ing.2.

7、Accord ing to the picture below, what is the gree nhouse effect?The Greenhouse Effectescaping rad谀丽Keys: The gree nhouse effect is the rise in temperature that the earth experie nces because certa in gases in the atmosphere (water vapor, carb on dioxide, n itrous oxide, and metha ne(甲烷)，forexample)

8、trap en ergy from the sun. Without these gases, heat would escape back into space and earth 'average temperature would be about 6O0F colder. Because they warm our world, these gases are referred to as gree nhouse gases.Sample 2Group work: discuss the following questions in group of four. Tips: y

9、ou can find more information on the internet beforeha nd.1. Which coun tries do you think con tribute more to global warm ing: developed coun tries like America, or un developed coun tries like many in Africa?Keys: Developed coun tries like America.2. What is the effect of global warmi ng?Suggested

10、answers: Raising the earth' s temperature will cause substantial melting of the polar icecaps which will then lead to a rise in the sea level and subsequent flooding of low-lying areas.Global warmi ng will also cha nge coun tries' climates and cause huge food and water shortages.3. What diff

11、ere nee can we make about global warmi ng?Keys: Taking acti on on global warmi ng (or climate cha nge) is similar. I n some cases, it only takes a little cha nge in lifestyle and behavior to make some big cha nges in gree nhouse gas reducti ons.For other types of actions, the changes are more significant. When action is taken by the 1.3 billion people in the China or the 6 billion people worldwide, the savings are significant. Taking public transport like buses or trains can reduce greenhous