Do these people have anything in common? Can you say these famous names in English? 霍金 爱迪生 居里夫人 张衡 孟德尔 阿几米德 达 · 芬奇 达尔文 Hawking Edison Marie Curie Zhang Heng Mendel Archimedes Da Vinci Darwin Great scientists

What do you know about great scientists? The following is a quiz and let’s find out who knows the most.

 Which scientist discovered that objects in water are lifted up by a force that helps them float?

Archimedes It’s…

 Who wrote a book explaining how animals and plants developed as the environment changed?

Charles Darwin

 Who invented the first steam engine? steam engine It’s used for taking water out of mines.

James Watt

 Who used peas to show how physical characteristics are passed from parents to their children?

Gregory Mendel

It’s used in the treatment of some diseases, especially cancer. radium What’s this?

 Who discovered radium? Marie Curie

 Who invented the way of giving electricity to everybody in large cities?

Thomas Edison

 Who was the painter that studied dead bodies to improve his painting of people?

Leonardo da Vinci

 Who invented a lamp to keep miners safe underground? Sir Humphry Davy

 Who invented the earliest instrument to tell people where earthquakes happened? Zhang Heng

Do you know what black hole means?

 Who put forward a theory about black holes?

发现问题 提出假设 思考方法 收集资料 分析结果 寻找证据 得出结论 THINK WORK FIND How do the scientists usually do scientific research? (The process) Find a problem Make a question Think of a method Collect results Analyse the results Find supporting evidence Draw a conclusion SOLVE … ?

Draw a conclusion Think of a method Collect results Make up a question Find a problem Analyse results Find supporting evidence Do you know how to prove a new idea in scientific research? Discuss the stages in setting out a new scientific idea. What order would you put them in?

relating to science, or using the organized methods of science. scientific a scientific discovery a scientific experiment a scientific theory

What order( 顺序 ) would you put them in? Think of a method Collect results Make up a question Find a problem Analyse the result Repeat if necessary Draw a conclusion

What do you know about infectious diseases? Severe Acute Respiratory Syndrome 严重急性呼吸道综合症

What do you know about infectious diseases? influenza A (H1N1) 甲型 H1N1 流感

Are they terrifying? What did you do facing them?

Hygiene( 卫生保健 )

Mask

Cholera is the illness caused by a bacterium called Varian cholera. If infects people’s intestines( 肠胃 ), causing diarrhea, vomiting and leg cramps( 腹痛 ). The most common cause of cholera is by someone eating food or drinking water that has been contaminated( 污染 ) with the bacteria. 2. What do you know about cholera?

Cholera can be mild( 不严重的 ) or even without symptoms( 症状 ), but a severe case can lead to death without immediately treatment.

A brief introduction of cholera Broad Street

Bacteria / germs of cholera

It infects people’s intestines( 肠道 ), causing diarrhoea( 腹泻 ), vomiting( 呕吐 ) and dehydration( 脱水 ) It infects people’s intestines( 肠道 ), causing diarrhoea( 腹泻 ), vomiting( 呕吐 ) and dehydration( 脱水 ) Many deaths in African countries in 2005 and even now Many deaths in African countries in 2005 and even now 5oo deaths in 10 days in 1854 in London.

Look at the picture, the map and the title and predict the content of the reading passage. John Snow Defeats “King Cholera”

John Snow British ( 1813~ 1858) a legendary( 传说中的 ) figure in the history of public health, epidemiology （流行病 学） and anesthesiology （麻醉 学）

John Snow is a well-known doctor in the 19 th century in London and he defeated “King Cholera”.

What’s the main idea of the passage? A.John Snow was a well-known doctor in London. B.The cause of Cholera was polluted water. C.The source of all drinking water should be examined. D.How John Snow collected, analyzed data and found the cause of the disease and solved it. Skimming

Use the seven stages in examining a new scientific idea to describe each paragraph.

draw a conclusion find a problem make up a question think of a method collect results analyse the results find supporting evidence Para 1 Para 2 Para 3 Para 4 Para 5 Para 6 para 7

Find a problem What causes cholera? Make up a question Which theory is correct? Think of a method Collect data on those who were ill or died and where they got their water. Para. 1 Para. 2 Para. 3

Para. 5 Analyse the results Analyse the water to see if that is the cause of the illness. Para. 6 Find supporting evidence Find other evidence to confirm your conclusion. Para. 7 Make a conclusion The water is to blame. The source of all drinking water should be examined so that it is safe. Para. 4 Collect results Plot information on a map to find out where people died or did not die.

1.Learn more about great scientists. 2.Review the vocabulary. 3.Read the text carefully.