2019新人教选择性必修三Unit3Reading and Thinking公开课学案.docx

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1、Reading and Thinking学案设计(一)学习目标l.To figure out the main structure of the expository essay by classifying and organizing the key information.2 .To learn about the causes and the consequences of climate change.3 .To talk about who should take responsibility for dealing with climate change.4 .To know t

2、he measures to change it.Part I Discuss the pictureView the picture of polar bear and answer the question below.What happened to the polar bear?Part II While-readingActivity 1 Predict what will be talked about in the passageBefore your reading,list details in the first two columns.Fill in the last c

3、olumn after reading.Climate changeWhat I WantWhat Ito Know What I Have Learnt (L)Know (K)(W)Look at the title Climate Change Requires the Worlds Attention and the two pictures on Page 26,answer the following questions.1 .Where would you most likely find this text?2 .What information can you get from

4、 the title?3 .What do you think will be talked about?Activity 2 Reading for the structureSkim the text and find the main idea of each paragraph.Paragraph 1 & Paragraph 2Paragraph 3Paragraph 4Paragraph 5A.The evidence of dramatic climate change that had an impact on Earths ecology.B.The consequences

5、of the rise in temperature.C.The solutions to reducing greenhouse gas emissions.D.The cause of the increase in the global average surface temperature.Activity 3 Focus on the “evidence”Read Paragraph 1 & Paragraph 2 and answer the question.Who:global surface temperature1 .What:happened to the global

6、surface temperature?Read the Paragraph 1 &Paragraph 2 again and answer the questions.Who:polar bear2 .What:happened to the polar bear?3 .Why:did the writer write about it?Activity 4 Focus on the “causes”Read Paragraph 3 and answer the questions with mind maps.1 .Why is the natural greenhouse effect

7、important and necessary?2 . What are the consequences of high greenhouse gas emissions?Activity 5 Focus on the “consequences”Read Paragraph 4 carefully and fill in the mind maps.The rise in temperature:weather/naturalextreme ,heat serious ,costing ,economic Activity 6 Focus on the “measures”Read Par

8、agraph 5 carefully and find out the measures.rGovernments:measures Weasindividuals:iActivity 7 Focus on the expository”Paragraph 1 & Paragraph 2:Paragraph 3:Paragraph 4:Paragraph 5:Part III Post-readingCritical ThinkingDiscuss these questions in groups.1 .Do you think climate change is the result of

9、 human activity?Give your reasons.2 .Who do you think should take responsibility for dealing with climate change?3 .What can we do?Part IV HomeworkFinish what you have learnt in the last column of KWL chart. 参考答案Part IThe polar bear is dead.Part IIActivity 1Climate changeWhat I Know What I Want toWh

10、at I Have Learnt (L)(K)Know (W)ClimateI want to know changemorePolar bearrequiresconsequences of Global warming moreclimate change attentionl.In a newspaper.2 .Climate change requires more attention.3 .The text will talk about the climate change and environmental problems.Activity 2Paragraph 1 & Par

11、agraph 2:AParagraph 3:DParagraph 4:BParagraph 5:CActivity 31 .There is little doubt that Earth is getting warmer and warmer.2 .The bear appeared to have starved and died.3.The answers vary.Activity 4(1 )keeping Earth climate warm and habitable(2)man-made greenhouse(3)causing Earths surface temperatu

12、re to rise quickly if too much heat energy is trappedActivity 5rainstorms weather/natural disastersextreme rainstorms,heat wavesserious damage,costing human lives,economic lossesActivity 6Governments need to consider making policies and taking appropriate actions and measures to reduce gas emissions

13、.We as individuals can also reduce our carbon footprint by restricting the amount of carbon dioxide.Activity 7Paragraph 1 & Paragraph 2:evidenceParagraph 3:causesParagraph 4:consequencesParagraph 5:measuresPart III1 .The answers vary.2 .People.3 .The answers vary.Part IVI have learnt many useful words and expressions to describe the climate change and I will find out more measures to protect environment as individuals.