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英语优秀教案(人教版):必修五(Unit 1 Great scientists Period 4) .doc
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 As to reading training, the teacher should still develop the students’ ability of scanning andskimming.So at the beginning, get the students to prepare some knowledge for reading. For thatpurpose, the teacher will firstly ask for information about Copernicus according to what thestudents already know.
Then the teacher can have the students listen to the tape and find out whether the statementsare true or false.It is designed to train the students’ listening and to check whether the studentshave previewed the passage well.Later, the teacher will ask the students to skim it and find out themain idea for each part.The purpose of doing these is to help the students to form the good habit ofreading with some strategy.When reading a passage, we had better first read it as a whole, that is,understand the structure of the passage and catch the main idea with the help of the structure andtitle.The following step is to read the passage for the details.The teacher can design some teachingactivities to help the students to know about more and more information by taking part in thereading activities.As a result, the teacher should be careful, cautious and creative when designingthe reading activities.The reading activities had better be various, which can catch more students’attention.
At the end of reading, some activities should be designed to check the students’understanding by saying something about Copernicus and making up a dialogue between
Copernicus and his friend.The practicing helps the students improve their speaking and arousetheir creativity.The competition is held to make the students take part in the class activitiesactively.At the same time, let the students consider the writing purpose.Besides reading, the students are also expected to learn and practise their writing skill.Bystudying the passage, the students should learn to do persuasive writing to change someone else’sdecision.The teacher should give the students some advice on how to plan the writing and developthe writing—beginning, body and conclusion.Teaching Important PointsHelp the students know about Copernicus and his theory.
Develop the students’ reading ability.
Improve the students’ writing ability.
Teaching Difficulty
Develop the students’ reading ability.
Teaching AidsMulti-media classroom and other normal teaching tools.
Three Dimensional Teaching AimsKnowledge AimsGet the students to know about Copernicus and his theory.
Learn about persuasive writing.
Ability Aims
Period 4 Reading and WritingThe General Idea of This PeriodIn this period the teaching and learning will center on reading and writing.As usual, theteacher can begin the teaching with reviewing the former knowledge.The following part is thelead-in—talking about some scientists, because this unit talks about great scientists and thispassage is about Nicolaus Copernicus and his theory.


Develop the students’ reading ability, such as skimming and scanning.
Improve the students’ writing ability.
Emotional AimsArouse the students’ interest in science and devotion to science.
Teaching ProcedureStep 1 GreetingT: Hello, everyone.
Ss: Hello, Miss Wang.
Step 2 ReviewingT: Last class we talked about Qian Xuesen and Carl Linnaeus.Can you say something about
them?S: Qian Xuesen is a famous Chinese physicist.
S: Qian Xuesen once studied in the USA and then returned to China.
S: Qian Xuesen made great contributions to space research.
S: Carl Linnaeus developed a system to classify plant species according to the male andfemale organs in the followers.
S: Carl Linnaeus earned the title“Father of classification”.
Ss: ...
Step 3 Pre-readingT: You have done a good job.So we have learned about a lot about great scientists, such asJohn Snow and Qian Xuesen.Who else would you like to learn about?Why?
S1: I’d like to know something about Madame Curie, because she was one of the greatwomen scientists.
S2: I’d like to know about Albert Einstein, because he plays an important part in thedevelopment of Physics.
S3: Stephen Hawking because he has made great achievements although he is disabled.
Ss: ... 
T: I find you are interested in science and scientists.But today we are going to read about
Copernicus.Do you know something about him?
S1: He was born in Poland.
S2: He believed the earth moves around the sun.
S3: It was said that he was burned to death because of his theory.
Ss: ...
T: Do you want to know more about him?
Ss: Of course.
T: So let’s come to the passage Copernicus’ revolutionary theory.
Step 4 ListeningT: First I’d like you to listen to the tape and find out whether the statements are T or F.(Give
the students one minute to read the statements and then play the tape.)
(     ) 1.When Copernicus found that the earth was not the center of the solar system,he was very excited.
(     ) 2.Some astronomers found it strange that some planets appeared brighter atsometimes.

Master the skill of gist reading.


(     ) 4.Copernicus didn’t publish his ideas until he died in 1543.
(     ) 5.According to the Christian idea of gravity, things fell to the ground because
the earth is the center of the universe.
(A few minutes later.)
T: Are you ready?Who’d like to have a try.If the sentence is true, please read it.If it is false,correct it.S1: The first sentence is false.When Copernicus found that the earth was not the center of thesolar system, he was frightened.
S2: The second statement is true.
S3: The third statement is also true.
S4: The fourth statement is false.Copernicus didn’t publish his ideas until he lay dying in1543.S5: The fifth statement is true.
Suggested answers: 1.F; 2.T; 3.T; 4.F; 5.T
Step 5 Gist ReadingT: You have done a good job.In think you previewed the passage well.To understand thepassage better, I divide the passage into four parts.Read the passage quickly and find out the mainidea of each part.(After three minutes.)
T: Have you got it?Generally speaking, if we want to introduce something, first, we usuallygive a brief introduction.What about the main ideas of other parts?(Ask the students to give their opinions and in the end the teacher gives them the answer.)Suggested answers: Para 1 Brief introduction
Para 2 The cause of Copernicus’ theory
Paras 3-4 The process of Copernicus’ theory
Para 5 The significance of Copernicus’ theory
Step 6 Detailed readingT: This passage mainly talks about Copernicus’ theory.So let’s compare his theory and thetheory before him.Work in pairs.Read the passage again and fill in the following form.
Before Copernicus’ theoryCopernicus’ theory1.God made the earth.2.The earth was the center of the solar system.1.The sun is the center of the solar system and theplanets go around it except the moon.2.The earth is spinning as it goes round the sun. (Two minutes later.)T: Have you found out the different theories?Who’d like to have a try?
S: Before Copernicus’ theory, they believed God had made the earth, so it was the center ofthe solar system.
T: Very good.What about Copernicus’ theory?
S: Copernicus found that the sun is the center of the solar system and the planets go round itexcept the moon.
T: That’s right!Anything else?
S: He also found the earth is spinning as it goes round the sun.

(     ) 3.Copernicus worked out the theory by observation and calculation.


S: Because he didn’t want to be attacked by the Christian Church.He published it many yearslater.T: Yes.At that time, anyone who wanted to challenge the theory of the Christian Churchwould be punished, even sometimes be sentenced to death.If you were Copernicus, would youhave hidden your theory so for many years?Please give a reason.(Two minutes later.)
T: I’d like to know about your ideas.Are you ready?Any volunteers?
S: If I were Copernicus, I would have done the same, because at that time, people didn’tenjoy the freedom of speech.Whoever challenged the Christian Church would be punished.Whilethere is life, there is hope.There would be more chance for me to make my theory known to thepublic.
T: It sounds reasonable.Thank you.Anyone else?
S: If I were Copernicus, I would have published my ideas as soon as I found them.Since Ifound my ideas were right, I would make them known to more people, regardless of danger. As ascientist, I should be brave to challenge and devote myself to science.
Ss: ...
T: You have done a very good job.I appreciate your good ideas and opinions.
Step 7 PractisingT: Since we have learned the whole passage, I’d like you to do some practice.
(Show the following on the screen.)
1.Say something about Copernicus.
Copernicus____________________.
2.Make up a dialogue between Copernicus and one of his friends.Copernicus showed hisideas privately to his friend and his friend encouraged him to publish his ideas.
T: First please say something about Copernicus.Give as much information as possible about
him by making sentences beginning with Copernicus.
S1: Copernicus is a Poland astronomer.
S2: Copernicus found the earth is not the center of the solar system.
S3: Copernicus didn’t publish his theory until 1543.
S4: Copernicus made a great contribution to astronomy.
Ss: ...
T: I’m deeply impressed by your sentences.You are excellent.From the passage we knowCopernicus showed his theory to his friends and his friends encouraged him to publish histheory.Please make up a dialogue in pairs based on this situation.We will hold a competition to seewhich group acts the best.
(After a few minutes, the teacher gets several pairs to act it out and decides which group isthe best one.)
Step 8 WritingT: Just now we learned that Copernicus didn’t publish his ideas as soon as he found histheory.We also talked about what you would have done if you were Copernicus.Now write a shortletter asking Copernicus to publish his ideas so everyone can read them.First you need to collectyour ideas.There are some suggested information on Page 7.Then you ne
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