英语人教新课标必修五Unit1Great scientists Reading课件(31张ppt)

(共31张PPT)
Reading
Unit 1 Great scientists
There are some great scientific achievements that have changed the world. Can you name some of them What kind of role do they play in the field of science Do these achievements have anything in common Match the inventions with their inventors below before you answer all these questions.
Warming Up
Alexander Bell electricity
Thomas Edison the First telephone
Laite Brothers the electric Lamp
Madame Curie black holes in Universe
Franklin Theory of Gravity
Steven Hawking the First Plane
Elbert Einstein Radium
Isaac Newton the Theory of Relativity
Who is he
He is …
Archimedes (阿基米德)
Which scientist discovered that objects in water are lifted up by a force that helps them float
Charles Darwin.
Who is he
He is …
Who wrote a book explaining how animals and plants developed as the environment changed
Thomas Newcomen.
Who is he
He is …
Who invented the first steam engine
Gregor Mendel
Who is he
He is …
Who used peas to show how physical characteristics are passed from parents to their children
Marie Curie
Who is he
She is …
Who discovered radium
Thomas Edison
Who is he
He is …
Who invented the way of giving electricity to everybody in large cities
Leonardo da Vinci
Who is he
He is …
Who was the painter that studied dead bodies to improve his painting of people
Humphry Davy
Who is he
He is …
Who invented a lamp to keep miners safe underground
Stephen Hawking
Who is he
He is …
Who put forward a theory about black holes
1. Do you know how to prove a new idea in scientific research Discuss in small groups the stages in setting out a new scientific idea. What order would you put them in
Pre-reading
Draw a conclusion
Think of a method
Collect results
Make a question
Find a problem
Analyse the results
Find supporting evidence
Please put the
7 stages in right order according to the passage.
2. What do you know about infectious diseases What do you know about cholera
Germany
Great Britain
Death of first cholera case in London during the 1848-49 epidemic
London
Previous cholera epidemic in Great Britain in 1831-32
The spread of cholera
3. Look at the picture, the map and the title and predict the content of the reading passage. Then skim it quickly to see if you are right.
Reading
John Snow Defeats “King Cholera”
John Snow
Part Main idea
1 (Para.1) John Snow wanted to find out the (1)________ of[the deadly disease cholera.
2 (Para.2) Two possible (2)________ explained the cause of cholera.
3 (Para.3－6) John Snow tried to seek the (3)________ and prove his theory.
4 (Para.7) John Snow succeeded in (4)________“King Cholera”.
1.Skimming the text and get the main idea
of each part.
2. order that they happened.
___ John Snow began to test two theories.
___ An outbreak of cholera hit London in
1854.
___ John Snow marked the deaths on a
map.
1
2
4
___ He announced that the water
carried the disease.
___ John Snow investigated two streets
where the outbreak was very severe.
___ King Cholera was defeated.
___ He found that most of the deaths were
near a water pump.
___ He had the handle removed from the
water pump.
3
5
6
7
8
Careful reading
Choose the best answer.
1.The passage mainly tells us that .
A.the cause of cholera was polluted water
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
D
2.What was the key to help for John Snow’s discovery
A.The government.
B.The woman who had moved away from Broad Street.
C.The water company.
D.The map made by himself.
D
3.John Snow didn't believe that ________.
A. cholera multiplied in the air without any reason
B. cholera was spread by germs
C. people absorbed cholera into their bodies with their meals
D. people were dead after cholera attacked
A
4.John Snow did some research in several steps EXCEPT ___.
A. gathering information
B. looking into the water
C. checking the places where people got water
D. repairing the pump handle
D
5.According to the passage, which statement is TRUE ____
A. People knew the cause of cholera before John Snow proved it.
B. People who lived in Broad Street all died because of cholera.
C. The polluted water carried the disease.
D. The water companies were instructed to offer polluted water.
C
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
doctor
19th
cause
defeat
broke
marked
Retell the text by filling in the following blanks.
注: 另附 word 文档。
点击此处链接
Post-reading
people who had _______ the dirty water
from the ______ died. So he decided that the polluted water carried the virus. He suggested that the _______ of all the water supplies be _________. The water companies were _________ not to expose people to polluted water any more. Finally, “King Cholera” was defeated.
pump
source
examined
instructed
drunk
Steps: What/How
1.Find a problem
2.Make up a question
3.Think of a method
4.collect results
John Snow Defeats “King Cholera”
What causes cholera
Which theory is correct
Collect information on those who were ill or died and where they got their water
Mark information on a map to find out where people died or did not died
6.Repeat if necessary
7.Make a conclusion
5.Analyse results
Analyse the water to see if that is the cause of the illness
Find other evidence to make sure the conclusion
The water is to blame. The source of all drinking water should be examined.