Period 1 Warming up & Reading Unit 1 Great scientists

I put forward the theory about black holes. I’m the father of super hybrid rice

Who are they? 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 20 th century. He is famous for the Theory of Relativity. He is …Albert Einstein Imagination is more important than knowledge imaginative

Who is he? He invented electric bulbs. He made more than 1,000 inventions during his life. He is … Thomas Alva Edison Genius is one percent 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.

Who is she? She is a woman scientist. She discovered radium ( 镭 ) and polonium( 钋 ). In her life, she won the Nobel Prize twice. She is … 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.

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 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 other scientists do you know? Do the quiz and see who knows the most. Warming up

Q Answers Archimedes Charles Darwin Thomas Newcomen Gregor Mendel Marie Curie Thomas Edison Leonardo da Vinci Sir Humphry Davy Zhang Heng Stephen Hawking

Brainstorming made a great contribution made great achievements succeeded in their scientific career overcome many difficulties

common characteristics cautious persuasive strict positive Co-operative creative bright enthusiastic Brainstorming

Let’s get to know Dr. John Snow John Snow Defeats “King Cholera”

Scan the text carefully and choose the best answers. 1. What does the word “this” in the sentence “He had not foreseen this” in the 23 rd line refer to? A. the outbreak of cholera. B. the cause of the disease C. the no deaths in some area D. the water pump in Broad Street

2. What was the key help for John Snow’s discovery? A. the government B. the woman moving away form Broad Street C. the water company D. the map made by himself

3. At last, King Cholera was controlled by _____. A. using medicines in hospitals B. driving patients out of the country C. dealing with the polluted water D. getting rid of all kinds of pollution

Read the text carefully and choose the best answers. 1. What’s the purpose of the text? A. To show us how difficult it was to find a cure for cholera. B. To tell us how John Snow found the cause of cholera and the cure for it. C. To show us how difficult it was to carry out experiments at that time. D. To tell us the way cholera spread and how serious it was. B

2. Which of the following is TRUE according to the text? A. John Snow became famous after cholera hit England in the 19th century. B. John Snow began to collect information long before cholera hit England in the 19th century. C. The mother and her daughter mentioned in the text both lived in Broad Street. D. John Snow felt unsure about the cause of cholera after he finished the map. D

3. Why was cholera called “King Cholera” in the text? A. Because cholera caused many deaths. B. Because it got its name from Queen Victoria. C. Because cholera was the most deadly disease of its day. D. Because it was defeated with the help of the king. C

JOHN SNOW DEFEATS “KING CHOLERA” About cholera It was a _______ disease of its day. People didn’t know its ______or its cure. Many thousands of people died every time there was an ________. Two _______ Cholera was spread in______________. Cholera was spread by germs. John Snow’s opinion Cholera was spread by______. deadly cause outbreak theories germs a cloud of gas

The course of finding _______ When the disease spread quickly again in London in ____, he began to gather information. He found the outbreak was particularly severe in two _________. After detailed and further ____________, he discovered it seemed that the water was to blame. When the people didn’t use the polluted water carrying the _____, the disease slowed down, which showed that cholera was really spread by germs. ________ to prevent cholera from happening John Snow suggested the source of all the water supplies be examined. The water companies were instructed to make sure people wouldn’t drink polluted water. evidence 1854 streets investigation virus Measures

"…I found that nearly all the deaths had taken place within a short distance of the pump." death

:( 得出结论 ) Draw a conclusion :( 得出结论 ) :( 找出研究方法 ) Think of a method :( 找出研究方法 ) :( 收集材料 ) Collect results :( 收集材料 ) :( 形成研究主题 ) Make up a question :( 形成研究主题 ) :( 发现问题 ) Find a problem :( 发现问题 ) :( 分析材料 ) Analyse the results :( 分析材料 ) :( 必要时重新分析 ) Repeat if necessary :( 必要时重新分析 ) ① ③ ② ④ ⑤ ⑥ ⑦ The passage is written as a report of an experiment and there are 7 steps:

ParagraphStagesGeneral ideas 1 Find a problem The ________ of cholera causes Comprehending

2 Theory two: When people _______ cholera into their bodies with meals, their bodies were attacked and soon they died. Theory one: Cholera ________ in the air and dangerous gas floated around until it found its victims. Make up a question multiplied absorbed

3 Think of a method To _____ the second theory was correct. prove

4 5 Collect results Some information was _________ on how many people died and where they got water. Analyse results ________the source of the water to see if that is the cause of the illness. gathered look into

6 7 Repeat if necessary With extra _______, it was announced definitely that _______ water carried cholera. Make a conclusion Polluted water spread cholera. “King Cholera” was _________. evidence polluted defeated

Summary John Snow– a doctor, 1___ Queen Victoria as her personal 2___. But he was willing to help ordinary people 3__ __ cholera. Many people died 4__ __ there was an 5___. He wanted to face the 6___ and solve the problem. Two theories caught his attention. The first suggested that cholera multiplied in the air. The second suggested that people 7___ this disease into their bodies and the disease 8___ the body.

John Snow 9___ the second was right but he needed evidence. When another outbreak hit London in 1854, he was ready to begin his 10____ and tried to get information. He found that most of the deaths were near a water pump and the spread of the disease was 11__ __ water. With the evidence, he was able to 12___ that polluted water carried the virus. After that, he suggested the source of all the water supplies 13__ __. Finally “King Cholera” was 14_____.

1.Who defeats “King Cholera“? 2.What happened in 1854? 3.How many people died in 10 days? 4.Why is there no death at No. 20 and 21 Broad Street as well as at No. 8 and 9 Cambridge Street? 5.What did John Snow do to prevent Cholera? Questions

1.Who defeats “King Cholera“? John Snow 2.What happened in 1854? Cholera outbreak hit London. 3.How many people died in 10 days? Why is there no death at No. 20 and 21 Broad Street as well as at No. 8 and 9 Cambridge Street? These families had not drunk the water from the Broad Street pump.

5.What did John Snow do to prevent Cholera from happening again? He suggested that the source of all the water supplies be examined. Instructed the water companies not to expose people to polluted water any more.

Read 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 gather 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 supply be _______ and _______ water companies not to _______ people to _______ water. Finally, “King Cholera” was defeated. doctor 19thcause defeat broke marked pump source examined instructed exposepolluted