Module 4 Unit 12 The Earth 课件（44张PPT)

课件44张PPT。Unit 12 The Earth沪教牛津·六年级上册Lead-inWhat things are there in the sky?Starsthe Moonthe EarthThe SunWhat things are there on the Earth?PeopleAnimalsWaterPlants…New wordsEarth地球part地区；区域forest森林land陆地ocean海洋rubbish垃圾sick生病的Listen and sayMs Guo: Look at this picture. What is it?
Kitty: It’s the Earth.
Ms Guo: The green and brown parts are forests and land.
What are the blue parts?
Joe: I think they’re oceans.Ms Guo: Yes, they are. The Earth was very clean and
beautiful in the past, but now some parts are
dirty. Can we do anything to help the Earth?
Alice: Yes. We should stop throwing rubbish into rivers.
Peter: We should stop cutting down so many trees.
Kitty: We should stop using plastic bags.Write the words in the boxes. Then talk about the Earth.forestslandoceansThe Earth was…and …in the past, but now some parts…We should stop…The Earth was very clean and beautiful in the past, but now some parts are dirty. We should stop throwing rubbish into rivers, cutting down so many trees and using plastic bags.Language points1. We should stop cutting down so many trees.
我们应该停止砍伐这么多的树。 stop的意思是“停止”，stop doing sth. 的意思是“停止做某事”，表示停止正在做的事情。
例句：停止讲话。老师进教室了。
Stop talking. The teacher comes in the classroom.注意：stop to do sth. 停下来去做某事
表示停下来，去做另外一件事情。
例句：我们走了一个小时，累了。咱们停下来休息一下吧！
We walked for an hour and tired. Let’s stop to have
a rest.Look and learnEarth地球forest森林ocean海洋land 陆地Look and readWe live on the Earth. The Earth is a beautiful place. There are rivers, oceans, land and forests. There are many different plants and animals too.我们居住在地球上。地球是一个美丽的地方，有河流、海洋、陆地和森林，也有很多不同的植物和动物。People, plants and animals need clean water and air. Sometimes people throw rubbish into
rivers and oceans. Sometimes people
cut down too many trees. Smoke from
cars and factories makes the air dirty.
The Earth gets sick.人、植物和动物需要洁净的水和空气。有时人们向河里和海洋里扔垃圾。有时人们砍伐太多的树。来自小汽车和工厂的烟使空气变脏。地球生病了。Now people work together to keep the Earth clean and healthy. They pick up rubbish. They plant trees every year.现在人们共同努力使地球保持干净和健康。他们捡起垃圾。他们每年植树。They recycle glass and paper. They bring their own shopping bags and stop using plastic bags.他们回收利用玻璃和纸。他们带他们自己的购物袋并且停止使用塑料袋。1. Why does the Earth get sick?
2. What do people do to keep the Earth clean and
healthy?Answer the questions.Because sometimes people throw rubbish into rivers and oceans. Sometimes people cut down too many trees. Smoke from cars and factories makes the air dirty.1. Why does the Earth get sick?People pick up rubbish and plant trees every year. They recycle glass and paper. They bring their own shopping bags and stop using plastic bags.2. What do people do to keep the Earth clean and healthy?2. The Earth gets sick. 地球生病了。Language points get是系动词，意思是“变得，成为”，表示一种变化过程，强调逐渐变化。后面跟形容词作表语。
例句：夏季白天变得更长。
The days get longer in summer.（1）turn的意思是“变得，变成”，指在颜色和性质等
方面与以前的完全不同，强调变化的结果。
例句：叶子变黄了。
The leaves turn yellow.拓展：turn 和 become （2）become的意思是“成为；变成”，是一个中性词，可用于好、坏两方面的变化。多指身份、职位，暂时性的身心变化或永久性的自然变化，它强调变化的过程已经完成，后面可接名词或形容词。
例句：他成了一名科学家。
He becomes a scientist.Ask and answerWhat should we do to save the Earth? Put a tick(√) or a cross(×) in the box. Then talk about it in groups.1 We should cut down trees.
2 We should build more factories and houses.
3 We should write on both sides of paper.
4 We should use more plastic bags and bottles.××√×5 We should not litter.
6 We should throw rubbish into rivers.
7 We should stop killing wild animals.
8 We should walk or ride a bike more often.√×√√S1: What should we do to save the Earth?
S2: We should…
S3: We should…
S4: We should stop…Play rolesWe should write on both sides of paper.What should we do to save the Earth?We should not litter.We should stop killing wild animals.Think and writeand using plastic bagsdirtyplant more treesthrowing rubbish intorivers, cutting down so many trees Review the sounds