必修五5unit1greatscientists-reading-精品课件-公开课课件

1、必修五5unit1greatscientists-reading-精品课件-公开课课件必修五5unit1greatscientists-readiGreat scientistsUnit 1Great scientistsUnit 1Warming upWarming up What do you know about great scientists? Try this quiz and find out who knows the most?Are you ready? Lets go! What do you know about gre1. Which scientist discov

2、ered that objects in water are lifted up by a force that helps them float?1. Which scientist discovered ArchimedesItsGive me a place to stand and I will move the world ! ArchimedesItsGive me a place2. Who wrote a book explaining how animals and plants developed as the environment changed?2. Who wrot

3、e a book explainingCharles DarwinCharles Darwin3. Who invented the first steam engine?James Watt3. Who invented the first stea4. Who used peas to show how physical characteristics are passed from parents to their children?4. Who used peas to show how pGregor MendelGregor Mendelradium5. Who discovere

4、d radium?Marie Curieradium5. Who discovered radiumThomas Edison6. Who invented the way of giving electricity to everybody in large cities?Thomas Edison6. Who invented t7. Who was the painter that studied dead bodies to improve his painting of people?7. Who was the painter that stLeonardo da vinciLeo

5、nardo da vinci8. Who invented a lamp to keep miners safe underground?Sir Humphry Davy8. Who invented a lamp to keep9. He invented the earliest instrument to tell people where earthquakes happened.Zhang Heng9. He invented the earliest in10. Who put forward a theory about black holes?Stephen Hawking10

6、. Who put forward a theory aPre-readingPre-readingDraw a conclusion: (得出结论) Think of a method: (找出研究方法)Collect results: (收集材料)Make a question: (形成研究主题)Find a problem: (发现问题)Analyse results: (分析材料)Find supporting evidence: (找到能确证的证据)Put the phrases on page 1 in correct order.Draw a conclusion: (得出结论)

7、 Put 1.Find a problem:(发现问题)2.Make a question:(形成研究主题)3.Think of a method:(找出研究方法)4.Collect results:(收集材料)5.Analyse results:(分析材料)6. Find supporting evidence(找到能确证的证据)7.Draw a conclusion:(得出结论) Stages in examining a new scientific idea:1.Find a problem:(发现问题)Stages John Snow defeats “King Cholera”Re

8、adingJohn Snow defeats “King CholerIt begins in the stomach and a severe case can lead to death without immediate treatment. The victims died very quickly from a loss of liquid after severe vomiting(呕吐) and diarrhea(腹泻).Spread from one person to another. So it is an infectious Disease. Do you know a

9、bout cholera?It begins in the stomach and aSkimmingWhats the main idea of the passage?John Snow was a well-known doctor in London.The cause of Cholera was polluted water.The source of all drinking water should be examined.How John Snow collected, analysed data and found the cause of the disease and

10、solved it .SkimmingRead each paragraph and find out the answer.Read each paragraph and find oWhat is the problem?The cholera was the most deadly disease of its day. Neither its cause, nor its cure was understood.Paragraph 1Find a problemWhat is the problem?The cholerWhat is the question?Which theory

11、 to believe in.Paragraph 2Make a questionTwo theories1. Cholera multiplied in the air without reason. A cloud of dangerous gas would float around until it found its victims.2. People absorbed it with their meals.What is the question?Which theWhat is the method?When another outbreak hit London in 185

12、4, he was ready to begin his enquiry.2. As the disease spread quickly through poor neighbourhoods, he began to gather information.Paragraph 3Think of a methodWhat is the method?When anotheWhat are the results?Many of the deaths were near the water pump in Broad Street.2. Some houses had no deaths.3.

13、 The water was to blame.Paragraph 4Collect resultsWhat are the results?Many of tWhat happened to the pump water?The water was from the river polluted by the dirty water from London.Paragraph 5Analyse resultsWhat happened to the pump wateWhat evidence? A woman and her daughter who lived far away died

14、 of cholera after drinking the water.Paragraph 6-7Find supporting evidenceDraw a conclusionWhat conclusion? The polluted water carried the disease.What evidence? A woman and herWhat did John Snow do to prevent this disease from happening again?What did John Snow do to preveCholera was a 19th century

15、 disease. What disease do you think is similar to cholera today? Why?Cholera was a 19th century disKeep the kitchen clean.Only eat food thats been thoroughly cooked.How to protect yourself from infectious diseases?Drink boiled water.Wash hands frequently.Keep away from flies.Choose fresh food.Dispos

16、e rubbish properly.Keep the kitchen clean.Only ea四、课文回顾 John Snow was a well-known physician in London in the 19th century. 1_ famous was he that he even attended Queen Victoria to ease the 2_ (bear) of her babies. However, he decided to defeat cholera, a deadly disease at that time when he saw thou

17、sands of people 3_ (expose) to it died every time there was an outbreak. So birth exposed 四、课文回顾So birth exposed In 1854 when cholera broke out，he began to gather information and marked on a map 4 _ all the dead people had lived. He found many people who had drunk 5_ dirty water from the pump died.

18、So he decided that the polluted water carried cholera. He found a woman and 6 _ daughter who had the water delivered from the pump every day died of cholera after drinking the water. where the her In 1854 when cholera broke out7_ this extra evidence John Snow announced that the polluted water was 8

19、_ (blame). He suggested the source of all water supplies 9_ (examine) and new methods of dealing 10_ water be found. Finally，“King Cholera” was defeated.With to blame be examined with 7_ this extra evidence JohnHomeworkWrite a short summary of the reading passage. Use the details from Exercise1 above to help you, as well as the stages for scientific research in Pre-reading.HomeworkWrite a short summary 必修五5unit1greatscientists-reading-精品课件-公开课课件五、语段改错 John Snow is a famous doctor in Londonso expert, indeed,