Unit7 Protect the Earth (第1课时） 课件（共33张PPT）

Unit 7 Protect the Earth (Story time) It is black and hard. We can find it under ground. It can make us warm. There's a lot of it in Shanxi. coal It is black liquid. We can find it under the ground too. Cars need it. oil It is usually white and thin. We write and draw on it. paper It is useful. We use it to make desks and beds. It comes from trees. wood It has different forms. It is bad for the Earth. We use it to make bags and bottles. plastic It has no color or smell. You can find it in the rivers and lakes. We drink it. water It is round. It is the source of life. It moves around the sun. We live on it. the Earth Protect the earth Scanning: answer the question How can we protect the Earth? Don't use too much plastic Listen and answer: 1.What do you think of water? 2.What do we use water to do? 3.Is there a lot of water everywhere? 4.What shouldn't we do? 5.What should we do? We should reuse and save it. We drink water and use water to clean things. No, there isn't. Water is useful. We shouldn't waste water. 再利用 浪费 节约 Read and complete the table(表格) water is... We use...to... There's... We should not We should useful not much clean things reuse and save it waste Read Part Two and judge(判断) 1.Most of our energy comes from coal and oil. 2.There is a lot of coal and oil on Earth. 3.We should drive cars every day. 4.Cars use lots of energy. T F T F 能 源 Read and complete the table(表格) Energy comes from We use...to... There's... We should not We should coal and oil not much drive cars save energy drive so much Read and complete the table(表格) Wood comes from We use...to... We should not trees make tables, chairs cut down too many trees Listen and complete the table(表格) Plastic We use...to... We should not We should not make ____ and _____ use _____ plastic bags or bottles use _____ bags and _____ bottles bags too many paper bottles glass 可以自己朗读课文，也可以和小组同学一起朗读。 Don't use too much plastic is...; use...to...;there's...; we should not; we should use...to...; we should not we should comes from; use...to...; there's...; we should not we should comes from...; use...to...; we should not Do you know? there will be 40 thirsty countries in 10 years. If we do nothing to help, there will be No coal on Earth in 113 years. there will be No oil on Earth in 53.3 years. there will be No trees on Earth in 775 years. My friends , what should we do? Do you know？ We should love and protect our Earth. Let’s make a proposal（倡议书） Save water Dear friends: Water is very useful. We ___water__ drink. We_____ But there is not much water in many places on Earth. We should not_____ _____ We should _____ _____ Water is life! Save water! Save our lives! _____ 活动要求： 1、选择一份完成 2、完成后组内交流 Let’s make a proposal（倡议书） Save energy Dear friends: Energy is very useful. We __energy__ light our city. We_____ Most energy comes from coal and oil. But there is not much coal or oil on Earth. We should not_____ _____ We should __ ... ...