(共30张PPT)
Unit 3 The Environment
Listening & Speaking
A
know some new words about the environment;
B
know some solutions to the environmental problems;
Learning aims
In this lesson, students will get to
C
practice listening and speaking skills.
A
What impressed you most in the video
B
What is your view about environmental problems
Let's enjoy a video together.
Let's enjoy a video together.
Let's answer these questions together.
A
“Your actions will determine your fate, not mine.
I am nature.”
What impressed you most in the video
Let's answer these questions together.
B
Now ,environmental problems are becoming more and more serious all over the world. It is time for humans to come up with some effective
methods to limit humans’ influence on the
environment so as to solve these severe problems.
What is your view about environmental problems
Air pollution
Let's look at some pictures---different kinds of pollution.
White pollution
Let's look at some pictures---different kinds of pollution.
Industrial pollution
Let's look at some pictures---different kinds of pollution.
Water pollution
Let's look at some pictures---different kinds of pollution.
Flood
Let's look at some pictures---natural disasters.
Debris flow
Drought
Sandstorm
Let's look at some pictures---natural disasters.
Earthquake
Volcano eruption
Let's look at some pictures---natural disasters.
Forest fire
Fog and haze
Let's look at some pictures---natural disasters.
Let's look at some pictures---severe actions.
Waste water is being poured into rivers.
Let's look at some pictures---severe actions.
Trees on the hills have been cut down .
Poisonous gas is given off by factories.
Let's look at some pictures---severe actions.
Cars have made the air unhealthy for people
to breathe.
Let's look at some pictures---severe actions.
The world's top ten environmental problems
1.Global warming---全球变暖
2.Ozone layer depletion---臭氧层破坏
3.Loss of biodiversity---生物多样性减少
4.The spread of acid rain---酸雨蔓延
5.Forest dropped---森林锐减
6.Desertification---土地荒漠化
7.Air pollution---大气污染
8.Water pollution---水体污染
9.Marine pollution---海洋污染
10.Cross-boundary movements of poisonous wastes---毒性废弃物越境转移
Let's review these words.
air pollution 大气污染
white pollution 白色污染
industrial pollution 工业污染
water pollution 水污染
flood 洪水
debris flow 泥石流
drought 干旱
sandstorm 沙尘暴
earthquake 地震
volcano eruption 火山爆发
forest fire 森林火灾
fog and haze 雾霾
pour into 涌入
cut down 砍倒
give off 发出，放出
poisonus 有毒的
effective 有毒的
limit 限制
severe 严重的
air pollution 大气污染
white pollution 白色污染
water pollution 水污染
Let's enjoy a speech together.
Please care for our Earth
Let's enjoy a speech together.
As is known to all, we have only one earth . The reason why we are protecting the globe is that it is our living space. There are still many problems about environmental protection in recent years . One of the most serious problems is the pollution of air and water.
The first part 第一部分：Situation
Let's enjoy a speech together.
With the development of economy, more and more people can afford a car. However, with more and more waste gas being discharged by the cars, the problem of air pollution becomes even more serious . The polluted air does great harm to people’s health.
The second part 第二部分：Damage
Let's enjoy a speech together.
Water is one of the most important things for us all to live on the earth. We can’t live without it, but now many rivers are polluted . Hundreds of dead fish can be found on the surface because of pollution. It is dangerous to drink such water.
The second part 第二部分：Damage
Let's enjoy a speech together.
In my opinion, protecting the environment is everyone’s responsibility. We must take some measures to prevent the earth from being polluted. Besides, the government should let people realize the importance of environmental protection .Only when we have the idea of loving our environment can we make a better place to live. Let us save the earth together.
The third part 第三部分：Solutions
Sharing time
5 minutes to think about some solutions, and then speak out.
Some solutions
Raise people's awareness of environmental protection.
Work towards a common goal of making the environment better.
Some solutions
Plant more trees and flowers.
Stop factories from pouring waste water into the river and waste gas into the air.
Some solutions
Receive the knowledge about the bad effects of pollution.
Pick up the rubbish and throw it into rubbish bins.
The end !
The beautiful planet is our home. To take care of the world is to take care of ourselves. Let’s work together to keep our world alive and better.TEACHING PLAN FOR SPEAKING
Teaching Material Unit 3 The Environment Listening&Speaking
Teaching Time 20minutes
Teaching Aids Video, Multimedia computer, PowerPoint
Teaching Methods Task-based teaching method.
Difficulties Pronunciation of some new words and solutions to the environmental problems.
Key Points To teach students some new words about the environment. To teach students some solutions to the environmental problems. To enable students to study listening and speaking skills.
Teaching Aims Criteria Notes
Knowledge objects To make the Ss know about the environmental problems. learn new words about environment. 本节课的核心内容主要是让学生了解现在全球正在面临的环境问题，了解一些环境相关词汇。
2.Ability objects Know the importance of protecting our Earth. Encourage students to speak English confidently and fluently. 学生将以观看视频，图片问答的形式，让枯燥的词汇学习变得生动，学生也在不知不觉中意识到环保的重要性。
Teachers’ activities Students’ activities Purpose
Lead-in
Enjoy a video, While watching, students should think about two questions. According to the video, answer the two questions. 通过观看视频的方式，激发学生的兴趣，提出两个问题，学生小组间共同探讨，引出此堂课的重点内容-环境问题
II. Presentation
A. Words about environment
Give some descriptions of these pictures. Help Ss to read out some new words. According the pictures, speak out the words as quickly as you can 通过一些图片以及老师的形象描述，让学生自己归纳出一些环境词汇，并练习新词汇的发音。
B. Sentences about environment
Look at some pictures about environmental problems, help Ss to summarize. Summarize the environmental problems. Talk about the effects about these problems. 通过一些图片，让学生探讨下目前我们正面临的环境问题，以及导致这些问题的原因。
Top ten environmental problems
List out top ten environmental problems in the world. Review all these new words. Talk about the top ten environmental problems with group members. (2) Review pronunciation of these new words. (3) Co-operate in groups. 以小组活动，探讨目前全球正面临的十大环境问题，意识到环境保护的重要性，回顾这节课所学有关环境的词汇。
III．Practice
Enjoy a speech together. Give some examples of solutions Discussing in groups： Main idea of each paragraph. 5minutes to think about some solutions 以小组讨论的方式给出解决这些环境问题的方案。老师会给出一些参考。
V . Assignment
Recite all these new words. DIY a poster to advocate environmental protection. 家庭作业是课堂的延伸，学生课后通过完成一定量的练习来巩固本节课所学知识点。
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