1、Unit 7 Protect the Earth Story time Heal the worldHeal the world Protect the Earth Make it a better place for you and for me and the entire human race. It is black and hard. We can find it under ground. It can make us warm. Theres a lot of it in Shanxi. coal It is black liquid. We can find it under
2、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
3、 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 Scanning: answer the questionScanning: answer the question How can we protect the Earth? Listen and answer:Listen and answer: 1.What do you think of water? 2.What
4、do we use water to do? 3.Is there a lot of water everywhere? 4.What shouldnt we do? 5.What should we do? We should reuse and save it. We drink water and use water to clean things. No, there isnt. Water is useful. We shouldnt waste water. Read and complete the table(Read and complete the table(表格表格)
5、) water is. We use.to. Theres. We should not We should useful not much clean things reuse and save it waste Read Part Two and judge(Read Part Two and judge(判断判断) ) 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 lo
6、ts of energy. T F T F Read and complete the table(Read and complete the table(表格表格) ) Energy comes from We use.to. Theres. We should not We should coal and oil not much drive cars save energy drive so much Read and complete the table(Read and complete the table(表格表格) ) Wood comes from We use.to. We
7、should not trees make tables, chairs cut down too many trees Listen and complete the table(Listen and complete the table(表格表格) ) 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 is.; use.to.;theres.; we should not; we should comes from; use.to.; theres.; we should not we should comes from.; use.to.; we should not use.to.; we should not we should
