1、Unit 1Great scientistsWarming up,Guessing game,Who is he?,He has made a famous kite experiment.,He learned a lot from it and invented lightning rod (避雷针).,He is ,Benjamin Franklin,Never leave that until tomorrow, which you can do today.,今日事,今日毕。,Who is he?,He is called the greatest scientist in the
2、20th century.,He is famous for the Theoryof Relativity.,He is ,Albert Einstein,Imagination is more important than knowledge,“想象力比知识更重要。“,imaginative,Who is he?,He made the first telescope in the world.,His observations show that the earth moves around the sun.,He is ,Galileo Galilei,You cannot teach
3、 a man anything. You can only help him find it within himself.,你不可能把一切都教给一个人,你只能帮助 他从内心去发现(和了解)事物。,What do you know about great scientists? Try this quiz and find out who knows the most.,1.Which scientist discovered that objects in water are lifted up by a force that helps them float?,Archimedes (28
4、7-212 BC) an ancient Greek mathematician & physicist,2. 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,3. Who invented the first atmospheric steam engine?,Thomas Newcomen,4.Who used peas to s
5、how how physical characteristics are passed from parents to their children?,Gregor Mendel (1822-1884) Czech (捷克人),Marie Curie,Nothing in life is to be feared. It is only to be understood.,生活中没有什么可怕的东西, 只有需要理解的东西。,5. Who discovered radium?,The power of radium,Thomas Alva Edison,Genius is one percent
6、inspiration and ninety-nine percent perspiration.,天才就是百分之九十九的汗水加上 百分之一的灵感。,6. Who invented the way of giving electricity to everybody in large cities?,The Inventions of Thomas Edison,Phonograph (留声机),Lightbulb (电灯泡),Motion Pictures (电影),7.Who was the painter that studied dead bodies to improve his p
7、ainting of people?,Leonardo da Vinci (1452-1519) Italian artist,Last Supper,Mona Lisa,8.Who invented a lamp to keep miners safe underground?,Sir Humphry Davy(1778-1829) British,Miniature (小型的) Miners Safety Lamp,the Safety Lamp,9. Who invented the earliest instrument to tell people where earthquakes
8、 happened?,Zhang Heng,seismograph,10.Who put forward a theory about black hole?,Stephen Hawking (1942-)British,A Brief History of Time,遗传学 电 浮力定理 镭 进化论 画家 蒸汽机 矿工安全灯 黑洞理论 地动仪,阿基米德 Archimedes 达尔文 Charles Darwin 纽可门 Thomas Newcomen 孟德尔 Gregor Mendel 居里夫人 Marie Curie 爱迪生 Thomas Edison 达芬奇 Leonardo de Vi
9、nci 汉弗来.戴维爵士 Sir Humphry Davy 张衡 Zhang Heng 斯蒂芬.霍金 Stephen Hawking,Match the names and what they famous for.,Draw a conclusion,They all.,made a great contribution. made great achievements. succeeded in their scientific career. overcome many difficulties.,Reading,What other infectious diseases do you
10、 know?,For example: When you eat some food that is not fresh,You may feel,Maybe you have got _.,Cholera,draw a conclusion,think of a method,collect results,make a question,find a problem,analyse the results,find supporting evidence,find a problem,make a question,think of a method,collect results,ana
11、lyse the results,draw a conclusion,How to prove a new idea in scientific research?,find supporting evidence,What cause cholera?,Which theory is correct?,Collect data on those who were ill or died and where they got their water.,Fill in the blanks.,Plot information on a map to find out where people d
12、ied or did not die.,Analyse the water to see if that is the cause of the illness.,Find other evidence to support the analysis.,The water is to blame. The source of all drinking water should be examined so that it is safe.,1. The passage mainly tells us that _.the cause of cholera was polluted water
13、B. John Snow was a well-known doctor in London C. the source of all drinking water should be examined D. John Snow did some research and helped to solve “King Cholera”,Choose the best answer.,D,2. What was the key help for John Snows discovery? A. The government. B. The woman moving away from Broad
14、Street. C. The water company. D. The map made by himself.,D,Summary,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 gather information.,doctor,19th,cause,defeat,broke,He _ on a map where all the d
15、ead 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 supply be _ and new methods of _ with polluted water be found. Finally, “King Cholera” was defeated.,marked,pu
16、mp,source,examined,dealing,What should we pay attention to in our dailylife in order not to get infected with cholera?,Heal the food left overnight,Cook raw food thoroughly,Wash hands often,Keep away from flies,choose fresh sea food,Keep the kitchen clean,Dispose rubbish properly.,Drink boiled water,Discussion,
