Book5-unit1warming-up-and-reading.ppt

1、Unit 1 Great scientists,There are many great scientists that have changed the world.Could you name some?,Guessing game,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

2、,今日毕。,?,He is called the greatest scientist in the 20th century.,He is famous for the Theory of Relativity.,He is ,Albert Einstein,Imagination is more important than knowledge,想象力比知识更重要。,?,He made the first telescope in the world.,His observations show that the earth moves around the sun.,He is ,Gal

3、ileo Galilei,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。,You cannot teach a man anything. You can only help him find it within himself.,?,Do you know some other 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 h

4、elps them float?,Archimedes :kimi:di:z (287-212 BC) an ancient Greek mathematician & physicist,Give me a place to stand on, and I can move the earth.,“给我一个支点,我就能撬起整个地球.”,2. Who wrote a book explaining how animals and plants developed as the environment changed?,Charles Darwin (1808-1882) British,The

5、 Origin of Species was published in 1859.,3. Who invented the first steam engine?,Thomas Newcomen (1663-1729) British,Newcomens steam engine,It was Thomas Newcomen who invented a steam engine. James Watt improved it and turned it into the first modern steam engine used on the railways.,4.Who used pe

6、as to show how physical characteristics are passed from parents to their children?,Gregor Mendel (1822-1884) Czech (tek捷克人),Gregor Mendel 孟德尔 “Father of modern genetics” “现代遗传学之父”,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 rad

7、ium?,The only person ever to receive two Nobel Prizes, one for physics and the other for chemistry.,Its used in the treatment of some diseases, especially cancer.,radium,Thomas Alva Edison,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?,Genius is

8、one percent inspiration and ninety-nine percent perspiration.,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 painting of people?,(1452-1519) Italian artist,Leonardo da Vinci He was a famous artist. He

9、used to study dead people in order to make his paintings as accurate as possible.,Last Supper,Mona Lisa,8.Who invented a lamp to keep miners safe underground?,(1778-1829) British,Sir Humphry Davy 汉弗莱.戴维,9.Who invented the earliest instrument to tell people where earthquakes happened?,Zhang Heng,seis

10、mograph sazm()grf,10.Who put forward a theory about black hole?,Stephen Hawking (1942-2018)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 Vinci 汉弗来.戴维爵士

11、 Sir Humphry Davy 张衡 Zhang Heng 斯蒂芬.霍金 Stephen Hawking,Match the names and what they famous for.,Discussion,What do they have in common?,In my opinion, they all.,overcome many difficulties. succeeded in their scientific career. made great achievements. made a great contribution.,From my perspective,

12、 they all,1.Draw a conclusion:(得出结论) 2.Think of a method:(找出研究方法) 3.Collect results:(收集材料) 4.Make a question:(形成研究主题) 5.Find a problem:(发现问题) 6.Analyse results:(分析材料) 7.Find supporting evidence:(寻找依据),5,4,2,3,6,7,1,How do the scientists usually do scientific research? What order do you put them in?,

13、Today well learn about a great scientist who defeats “King Cholera”.,a legendary figure in the history of public health, epidemiology (epdi:mildi流行 病学) and anesthesiology (i:ld麻醉学),John Snow ( 1813 1858),Cholera is the illness caused by a bacterium called Varian cholera(瓦里安霍乱). If it infects peoples

14、 intestines (ntestnz肠胃), it may cause diarrhea (腹泻), vomiting(呕吐) and leg cramps(腿痉挛).,What do you know about cholera(霍乱)?,The most common cause of cholera is eating food or drinking water that has been polluted by the bacteria. Cholera caused a lot of deaths in the old times in Europe.,What was the

15、 cause at that time?,Reading,John Snow Defeats “King Cholera”,Match the main idea with the proper paragraph. (创新设计P4)Para.1 A.Offering solutions.Para.2 B.outbreak of cholera.Para.3 C.Provide two control theories.Para.4 D.Collect information.Para.5 E.Collect results .Para.6 F.Analyze the result.Para.

16、7 G.Find supporting evidence.,Fast reading,B,C,E,D,F,G,A,Detailed reading Task1:Answer the following questions. Q1:Why was cholera the deadly disease of its day at first? Q2:What are the two theories? Q3:Why were there many deaths at 16, 37, 38 and 40 Broad street? Why was there no death at 20 and 2

17、1 Broad Street as well as at 8 and 9 Cambridge Street? Q4:What extra evidence did he find? Q5:What was the cause of Cholera?,Paragraph 1: outbreak of cholera Q1:Why was cholera was the deadly disease of its day at first? Neither its cause, nor its cure was understood.,Detailed reading,Paragraph 2: T

18、wo control theories Q2:What are the two theories? The first suggested that. The second suggested that.,Detailed reading,Paragraph 4: Collect the result: Mark the death Q3: Why were there many deaths at 16, 37, 38 and 40 Broad street? People at 16, 37, 38 and 40 Broad street lived near the pump and d

19、rank the water from the Broad Street pump.,Paragraph 4: Collect the result: Mark the death Why was there no death at 20 and 21 Broad Street as well as at 8 and 9 Cambridge Street? Because these people worked in the pub at 7 Cambridge Street. They had been given free beer and so had not drunk the wat

20、er from the pump.,Paragraph 6: find supporting evidence Q4:What extra evidence did he find? A woman and her daughter, who had moved away from Broad Street, died of cholera after drinking the water from the pump.,Paragraph 7: Draw a conclusion,Q5:Whats the cause of Cholera? The polluted water carried

21、 the germs and Cholera was spread by germs.,Task2:Put the sentences into right order.(P3 Exx.1) Task3:Choose the best answer. (创新设计P4) Task4:Fill the blanks. (课时作业P85),What other infectious diseases do you know ?,Things to do to prevent infectious diseases:,Wash your hands often, especially during c

22、old and flu season. Be aware of what you eat, and be careful how you prepare it. Be cautious around all wild and domestic animals that are not familiar to you. Avoid areas of insect infestation(侵袭,出没).,so.that.&such.that.,1.一句多译： 这本书是如此有趣以至于我们都想再读一遍。 2.改错： They are so clever children that we all like them. It was such fine day that we couldnt wait to go for a walk. 3.把下面的句子变成倒装句。 He has made such great progress that the teachers are pleased