1、 Unit5 The power of natureWarming upDuring this period,we will 1.learn something about the power of nature2.know something about the volcanoLets enjoy some pictures of human power.tall buildingsmodern agricultureaeroplanesatomic bombspaceshipmodern communicationWhat do you think of human power?Man h
2、as so much wisdom and power that the whole world has changed a lot.Lets watch the videoof natural disasters.What do you think of the power of nature?When compared with a volcano,hurricane or earthquake,how weak the power of human is.Yet,however weak we are,we are not completely powerless.In your gro
3、ups discuss ways human beings protect themselves from powerful natural forces.Discussion Lets watch the videoof the vocano.Do you know something more about volcanoes?If so,tell us.If not,let us learn something about it.1.How is a volcano formed?One plate crashes down into another.The fluid rock beco
4、mes hotter and hotter with high pressure.Finally it rushes out.Thus,a volcano is formed.2.Where is it most possible for a volcano to erupt?Joints between the plates.Joints between the plates.Joints between the plates.Often near the oceans.3.What types of volcanoes do you know?extinct volcano(=one th
5、at is no longer active at all)dormant volcano(=one that is not active at the moment)active volcano(=one that may erupt at any time)There is no doubt that volcanoes are the result of natural power.It is full of danger and mystery.Would you consider being a Volcanologist in the future?What does a Volc
6、anologist do?,vlknldist 火山学家火山学家Collect and evaluate information about volcanoes.vljet vt.评价；估价；求评价；估价；求的值的值vi.评价；估价评价；估价Do you want to be a volcanologist?Do a quiz to see whether you are suitable for the job-volcanologist Questions Yes No 1.Do you like working outside as well as inside?2.Do you enj
7、oy travelling to unusual places?3.Do you enjoy taking risks?4.Do you dislike doing the same thing every day?5.Do you like adventure in your life?6.Are you interested in studying rocks and other things that make up the surface of the earth?If you answered“yes”to all these questions,then volcanology c
8、ould be a good career for you.If you want to know more about it,please find the answers from the Reading passage on page 34-35.What kind of things might a volcanologist do?Homework 1.Learn the new words by heart.2.Preview the passage on page 34-35 carefully and finish Exercises 1-3 on page 35.Thanks for your attention!
