Great-scientists-优质课件(课堂PPT).ppt

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1、1Module 5 Unit 1 Great scientistsWarming up and reading2newsThe world will come to an end and the earth will be destroyed in 200 years.3He put forward a theory about black holes4Who are they?Who are they?Guessing game5Who is he?Who is he?He has made a famous kite experiment.He learned a lot from it

2、and invented lightningrod(避雷针避雷针).).He is Benjamin FranklinNever leave that until tomorrow, which you can do today.6Who is he?Who is he?He is called the greatest scientist in the 20th century.He is famous for the Theory of Relativity.He is Albert EinsteinImagination is more important than knowledgei

3、maginative7Who is he?Who is he?He invented electric bulbs.He made more than 1,000 inventions duringhis life.He is Thomas EdisonThomas Alva EdisonGenius is one percent inspiration and ninety-nine percent perspiration.8Who is she?Who is she?She is a woman scientist.She discovered radium( (镭镭) )and pol

4、onium(钋钋).In her life, she won the Nobel Prize twice.She is Marie CurieNothing in life is to be feared. It is only to be understood.9Who is he?Who is he?He made the first telescope in the world.His observations show that the earth movesaround the sun.He is Galileo GalileiYou cannot teach a man anyth

5、ing. You can only help him find it within himself.10What other What other scientists scientists do you know?do you know?Do the quiz Do the quiz and see who and see who knows the knows the most.most.Warming up111.Which scientist discovered that objects in water are lifted up by a force that helps the

6、m float?Archimedes (287-212 BC) an ancient Greek mathematician & physicist122.Who wrote a book explaining how animals and plants developed as the environment changed?Charles Darwin (1808-1882) British author of The Origin of Species 133.Who invented the first steam engine?Thomas Newcomen (1663-1729)

7、 British, invented a steam engine. James Watt improved it and turned it into the first modern steam engine used on the railways. 144.Who used peas to show how physical characteristics are passed from parents to their children?Gregor Mendel (1822-1884) Czech (捷克人捷克人)155.Who was the painter that studi

8、ed dead bodies to improve his painting of people? Last SupperMona LisaLeonardo da Vinci (1452-1519) Italian artist166.Who invented a lamp to keep miners safe underground?Sir Humphry Davy (1778-1829)BritishMiniature(小型的小型的) Miners Safety Lamp 17Brainstormingmade a great contributionmade great achieve

9、mentssucceeded in their scientific careerovercame many difficulties18Who is John Snow? a famous doctor in London. relationship attended her as her personal physician.19What is the problem?The cholera was the most deadly disease of its day. Neither its cause, nor its cure was understood.What caused c

10、holera?Details 20What are the two theories?Cholera multiplied in the air without reason. A cloud of dangerous gas would float around until it found its victims.People absorbed it with their meals.21A map of Broad StreetWhat method did he use?Broad StreetMany deaths happened here.No death happened he

11、re.The water from the pump was to blame.Public house22analyze the results: What happened to the pump water?The water was from the river which had been polluted by the dirty water from London.23Find supporting evidence: What extra evidence did he find? A woman and her daughter who lived far away but

12、drank the water also died.draw a conclusion with certaintyThe polluted water carried the disease.24Read the passage again and fill in the blanks:John Snow was a well-known _ in London in the _ century. He wanted to find the _ of cholera in order to _ it. In 1854 when a cholera _ out, he began to gat

13、her information. He _ on a map where all the dead people had lived and he found that many people who had drunk the dirty water from the _ died. So he decided that the polluted water carried cholera. He suggested that the _ of all water supplies be _ and the water companies were_ not to _ people _ po

14、lluted water any more. Finally “King Cholera” was _.doctor19thcausedefeatbrokemarkedpumpsourceexaminedinstructedexposetodefeated25What should we pay attention to in our daily life in order not to get infected with diseases? Heal the food left overnightCook raw food thoroughlyWash hands oftenKeep away from flieschoose fresh sea foodKeep the kitchen cleanDispose rubbish properly.Drink boiled waterDiscussion

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