选择性必修 3 Unit 3 Environmental Protection Reading and thinking
Discuss climate change
CLIMATE CHANGE REQUIRES THE WORLD’S ATTENTION
教学设计
一 、核心素养与教学目
1.语言能力阅读一篇有关气候变化的说明文,理解全球气候变暖的原因、危害以及各国政府和个人应该采取的有效措施,探究如何减少温室气体的排放,控制全球气候变暖的进程。
2.学习能力 能够理清事物发生的因果关系,制作流程图和思维导图来表达这种关系。
3.文化意识了解气候变化在不同国家和地区中的表现以及这些变化给不同国家和地区的人们的生活和生产带来的影响;理解并感悟个人在环境保护中的作用和意;了解环境问题是需要全球共同面对和携手解决的问题,有意识地培养人类命运共同体意识,节约地球资源,保护地球家园。
4.思维品质能够根据数据图表分析气候变化的趋势,找到问题产生的源头与解决问题的对策;能够区分关键信息和非关键信息;能够识别身边的环境问题,运用所学知识提出解决方案,增强解决实际问题的意识和能力.
二、教学重点、难点
1 .教学重点:
(1)引导学生观察并掌握说明文的结构特征;
(2)指导学生用示意图展示温室效应的原理;
(3)启发和鼓励学生改变生活方式,减少碳排放,同时提出改善性的建议与对策。
2.教学难点:指导学生用示意图展示温室效应的原理;
三、教学方法 任务型教学法、小组合作探究法等。
四、教具准备 多媒体,黑板
五、教学过程
课前学生学习活动设计:课前让学生们预习单词和课文,上网了解一些由于全球变暖而造成的极端天气得新闻报道、图片或视频。
Pre-reading Watch a video
Discuss : What are they talking about Is climate change really a problem
What consequences may global warming bring about
设计意图:通过视频导入新课,引入 climate change 这一话题,围绕此话题,让学生开展“头脑风暴”。
Show the learning objectives of this class
Find the causes, consequences of global warming and solutions to it;
Use diagrams to figure out the logic of the passage;
Write a post to call on people to stop global warming and save polar bears.
Fast reading
Read the text quickly and Focus on the structure
Divide the passage into 4 parts and match the main idea with each part.
The cause of the increase in the global average surface temperature.
The solutions to reducing greenhouse gas emissions
The evidence and effect of dramatic climate change in global climate.
The consequences of rise in temperature
Underline the topic sentence of each paragraph and choose the best answer.
1. What type of writing is this passage
A. Argumentative writing(议论文)B. Narrative writing(记叙文)
C. Expository writing(说明文)D. Advertising writing(广告)
设计意图:本活动旨在引导学生观察并掌握说明文的结构特征,引导学生通过运用略读阅读策略,寻找主题句并根据主题句对段落大意进行概括,整体把握文本内容,提升概括能力。
Careful reading
Read para by para
Part 1 (para 1-2) Evidence The following reasons account for the death of the polar bear, with one influencing another.
Read para 2 carefully and put them in a correct logical order.
A low sea-ice level B starved to death C had to travel greater distances to find food
D bears could not hunt E climate change F its dead body found what is the real cause
设计意图:引导学生关注文本中事件的因果关系。
Part 2 (Para.3) cause Read para 3 carefully and fill in the diagram to explain how the greenhouse
effect works.
设计意图:让学生学会利用图表厘清事物发生的因果关系,解释一个新的想法或概念,不仅可以让学生更清楚地看到问题,而且可以展示学生的创造性思维和解决问题的能力。
Part 3 (para 4 ) Consequence Read para4 ,then think this question:
Why did the author mention the climate scientists’ warning
Part 4 Solutions Read Para.5 carefully to finish the following chart
Suggested pattern:
Stop global warming! Save the bear before it’s too late! #
I’m a ________ from _____________(your identity). I support the campaign because ___________(consequences of global warming). I call on/suggest _________(solutions to the global warming).
Jinan, China
I’m a student from Jinnan No.1 High School. I support the activity because the global warming has caused serious damage to the world and led to the death of polar bears. I call on everyone around the world to take public transport, use recycled products and call on fellows to take actions. With our effort, the world will become a better place.
设计意图:让学生理解环境问题是需要全球共同面对和携手解决的问题,有意识地培养学生的人类命运共同体意识。
Write a post to call on people
设计意图:让学生理解环境问题是需要全球共同面对和携手解决的问题,有意识地培养学生的人类命运共同体意识。
Homework
1. Write your post.
2. Review the passage with the help of the mind-map.
3. Prepare an environmental proposal.
设计意图:结合所学,迁移创新,锻炼分析问题、解决问题的能力。在真实情境中锻炼主题语言的精确输出,综合应用所学语言,有效陈述个人观点和情感,传递信息,培养学生的思维品质。