1、Unit 4 Scientists who changed the worldWelcome to the unit1. Do you know some stories of the old scientists? Lead-in2. Do you want to be a scientist?Lead-inBefore-listeningDo you know his significant contribution?Yuan Longping:In 1953: _In the 1970s: _In 2004: _Stephen Hawking:In 1942: _In 1988: _In
2、 2002: _While-listeningWhile-listeningYuan LongpingIn 1953: _In the 1970s: _In 2004: _He graduated from South-west Agricultural College.He succeeded in developing the first hybrid rice varieties.He won the Wolf Prize in Agriculture and the World Food Prize.While-listeningWhile-listeningStephen Hawki
3、ngIn 1942: _In 1988: _In 2002: _He was born.A Brief History of Time was published and stayed on a bestseller list for 237 weeks.He was ranked number 25 in the BBCs poll of the 100 Greatest Britons.While-listeningDiscuss the events you know about theYuan.Pair workDiscuss the events you know about the
4、 Stephen Hawking .Pair workDiscuss the events you know about the Stephen Hawking .Pair work2. What are the similarities and the differences between the two scientists characteristics?Free talkWhat can you learn from these great scientists?diligenceperseverance passion for seeking truth.DiscussionSci
5、entistdeterminationknowledgepersistencecritical thinkingdiligenceimaginationself-disciplineperseverancecuriosityDiscussionCan you list more characteristics about the scientists?Future thinkingThe scientists is motivated primarily by curiosity and a desire for truth. Irving LanmuirHow do you understand this sentence?Which part of their life impresses you the most?After-listeningHomework1. Write a short passage about your inspiration after reading about the scientists stories.2. Finish the workbook.