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2019年【全国百强校】河北省石家庄实验中学人教版高中英语必修五课件:Unit 1 Great scientists warming up_图文

Great scientists

Warming up
Do tWhehaqtugizreaatnd see whsocikenntoiswtss the mosdtoayboouuktngorwe?at
scientists.

Quiz 1
Which scientist discovered that objects in water are lifted up by a force that helps them float?

Archimedes 阿基米德 (ancient Greek)
Give me a place to stand on, and I can move the
earth.

Quiz 2
Who wrote a book explaining how animals and plants developed as the environment changed?

Charles Darwin 达尔文(British)
“The Origin of Species”

Quiz 3
?Who invented the first steam engine?

Thomas Newcomen (1663-1729) British
托玛斯 ·纽科门
It was he who invented a steam engine. James Watt improved it and turned it into the first modern steam engine used on the railways.
Newcomen’s steam engine

Quiz 4
?Who used peas to show how physical characteristics are passed from parents to their children?

Gregor Mendel
门德尔(1822-1884) Czech (捷克)
Inheritance遗传

Quiz 5 ?Who discovered radium?

Marie Curie (Polish)
The Only person ever to receive two Nobel Prizes , one in physics and the other in chemistry.
Pierre Curie

Quiz 6
?Who invented the way of giving electricity to everybody in large cities?

Thomas Edison American (1847-1931)

Phonograph 留声机

Thomas Edison

lightbulb电灯泡

Motion Pictures 电影

Quiz 7
?Who was the painter that studied dead bodies to improve his painting of people?

Leonardo da Vinci 达芬奇

Italian

Mona Lisa

(1452-1519)

The Last Supper

Quiz 8
?Who invented a lamp to keep miners safe underground?

Humphry Davy (British ) 汉弗莱 戴维
The safety lamp invented by him , also called the Davy lamp

Quiz 9
?Who invented the earliest instrument to tell people where earthquakes happened?
seismograph

Zhang Heng
?Chinese (78-139)

Quiz 10
?Who put forward a theory about black holes?

Stephen Hawking 斯帝芬·霍金 British (1942-)
The theory about black holes

Pre-reading
Do you know how to prove a new idea in scientific research?

Please put the 7 stages in right order.

draw a conclusion think of a method collect results make a question find a problem
analyse the results
Find supporting evidence

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 (找证据) 7.Draw a conclusion (得出结论)

John Snow Defeats “King Cholera”

Stages:
1.Find a problem 2.Make a question 3.Think of a method

Examples in this investigation
What is the problem? What is the cause? (para 1) Which theory is correct? (para 2)
Collect data on those who were ill or died and where they lived. (para 3)

4.Collect results

Mark information on a map to find out where people died or did not die. (para 4)

5.Analyse results
6. Find supporting evidence

Find out where they got their water. Analyse the water to see if that is the cause of the illness. (para 5)
Find other evidence to make sure the conclusion. (para 6)

7.Make a conclusion

The water is to blame. The source of all drinking water should be examined.(para 7)

Read and answer:
Paragraph 1: 1. King Cholera is the deadly disease.
(F)
2. John Snow thought cholera would
never be controlled. (F)
John Snow wanted to face the challenge and solve the problem.

Paragraph 2&3
1. What are the two theories?
2. Which one is more reasonable?

Paragraph 4
1.What’s his method? Collect data from the next cholera attack to test theories. Try to prove which method was correct.
2.What’s the result?
He found the cause of cholera was the polluted water.

Paragraph 5
When the cause was found, what did the people do?
Remove the handle from the water pump so it could not be used.

Paragraph 6
1. What’s the extra evidence?
Two other deaths in another part of London that were linked to the Broad Street outbreak.
2. Why could the polluted water carry the disease? Because cholera was spread by germs and germs can be carried by the polluted water.

Paragraph 7
What are John Snow’s suggestions?
1)The source of all water supplies should be examined.
2)2) The water companies were also instructed not to expose people to polluted water any more.


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