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高二英语一单元教案：人教版必修第1-3单元精品教案

[02-28 16:37:42]   来源：http://www.kmf8.com  高二英语教案   阅读：8751次
概要： Step 5 Previous knowledgeT: Now let’s match some of the great scientists with their famous discoveries, inventions or theories.Let me see who is the quickest in mind and action and can get all the answers correct.Famous scientists Discoveries/Inventions/TheoriesA.Isaac Newton 1.Evolution (进化论)B.Charles Darwin 2.Discovery of Radium(镭)C.Madame Curie 3.Newton’s LawD.Albert Einstein 4.Electric bulbE.Thomas Alva Edison 5.Theory of RelativityF.Nicolaus Copernicus 6.Seismog
高二英语一单元教案：人教版必修第1-3单元精品教案,标签：高二英语教案模板,http://www.kmf8.com

Step 5 Previous knowledge

T: Now let’s match some of the great scientists with their famous discoveries, inventions or theories.Let me see who is the quickest in mind and action and can get all the answers correct.

Famous scientists Discoveries/Inventions/Theories

A.Isaac Newton 1.Evolution (进化论)

B.Charles Darwin 2.Discovery of Radium(镭)

C.Madame Curie 3.Newton’s Law

D.Albert Einstein 4.Electric bulb

E.Thomas Alva Edison 5.Theory of Relativity

F.Nicolaus Copernicus 6.Seismograph

G.Stephen Hawking 7.A Brief History of Time

H.Zhang Heng 8.The earth moves around the sun.

(Check the answers with all the students: A—3, B—1, C—2, D—5, E—4, F—8, G—7, H—6.)

T: Since you have a better understanding of some of the great scientists, let’s play a game. Please work in groups and describe one of the great scientists, and then let other students guess who you are talking about.

Group 1: In the eighteenth century, there lived a great scientist who conducted a number of experiments in which he showed what electricity is.Once he did a famous kite experiment on a stormy day, and proved that lightening and electricity are the same thing.

S: Benjamin Franklin.

Group 2: It is said that this English gentleman was sitting in his garden one day when suddenly he was hit by a falling apple.The story is probably not true, but this man did mention that he got one of his best-known ideas while watching apples fall from a tree.His name makes you think that he was not too interested in old things.He discovered the force of gravity, and he drew up a system of how objects move.His laws for motion are still used in physics today, at least in schools and universities.

S: Sir Issac Newton.

Group 3: Food is what sets this great mind on fire.Rice, to be exact.This great mind has spent most of his life looking for ways to help farmers grow more rice so that all of us will have enough food to eat.He is known as the father of modern rice, but because of his long friendship with all the farmers in China, he would rather be known as“the farmer”.

S: Yuan Longping.

Group 4: He was born on 8 January 1942 in Oxford, England.He has worked on the basic laws which govern the universe.He showed that Einstein’s General Theory of Relativity implied space and time would have a beginning in the Big Bang and an end in black holes.He has three pop ular books published: his best seller A Brief History of Time, Black Holes and Baby Universes and Other Essays and most recently in 2001, The Universe in a Nutshell.

S: Stephen Hawking.

Ss: ...

T: Well done.

Step 6 Quiz

T: You have already known some information about some of the great scientists.Now let’s do a quiz, trying to find out who these scientists are.

Quiz Questions

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

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

3.Who invented the first steam engine?

4.Who used peas to show how physical characteristics are passed form parents to their children?

5.Who discovered radium?

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

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

8.Who invented a lamp to keep miners safe underground?

9.Who invented the earliest instrument to tell people where earthquakes happened?

10.Who put forward a theory about black holes?

Check the answers with the students.

1.Archimedes　2.Charles Darwin　3.James Watt　4.Gregor Mendel5.Madame Curie6.Faraday　7.Leonardo davinci　8.Humphrey Davy9.Zhang Heng10.Stephen Hawking

T: Please work in groups and have a discussion to find as much information as possible about these ten great scientists.

(The teacher had better join in the discussion and give them some guidance whenever necessary.After the discussion, ask some students to give a short report about what the group have discussed.)

(Refer to the information about these scientists below, and various answers are possible.)

Step 7 Practice

T: Today we have learned a lot about great scientists in the world.We can learn from them to live our dreams.And we teachers are too willing to help you.In your opinion, what should our school /teachers/students do to tap the students’ potential?

S: Our school should give the students more chances to take part in social practice.

S: Our teachers should help the students use their imaginations.

S: We students should solve the problems on our own.

(Ask more students to give their opinions.The teacher should encourage them, join them, praise them, and make comments on their ideas.)

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