Unit1 Module 5 Great Scientists
本單元教學內(nèi)容分析: 本單元主要話題是“科學家如何以探索、鉆研、無畏的科研精神驗證未知的科學原理。”通過本單元的學習，了解科學家們對人類所做出的貢獻及其成果。本單元所涉及的要點是：
（1）了解著名醫(yī)生John Snow、錢學森、哥白尼等科學家以及他們的作為和故事。
（2）學習表示意愿、希望和建議的句型。
（3）學習過去分詞作定語和表語的結(jié)構(gòu)。
（4）學習寫好“persuasive writing”,以訓(xùn)練學生的邏輯思維及寫作能力.
Teaching Aims:
1. Learn some new words and expressions.
2. Know some great scientists and their achievements.
3. Know some important qualities a scientist should have and the stages in examining a new scientific idea.
Difficult and Important Points:
1)Word study
2)Discuss in groups the stages in examining a new scientific idea.
Teaching Methods:
1. Inductive method
2. Pair work & group work
3. Word Study according to the situations given (Do exercises)
Teaching Procedures:
Step I Warming up
1. What do you know about great scientists?
Try this quiz and find out who knows the most.(Pair work to finish the Quiz Questions on P1.)
2.Check the answers with the whole class.
1).Archimedes (an ancient Greek mathematician & physicist)
2).Charles Darwin (British, author of The Origin of Species )
3).Thomas Newcomen (British, improved the first steam pump and turned it into a steam engine for taking water out of mines in 1712 .James Watt improved it and turned it into the first modern steam engine used on the railways. )
4).Gregor Mendel (Czech)
5).Marie Curie (Polish and French, won two Nobel Prizes)
6).Thomas Edison (an American inventor)
7).Leonardo da Vinci (a famous Italian artist)
8).Sir Humphry Davy (British)
9).Zhang Heng (Chinese, invented seismograph)
10).Stephen Hawking (a British astronomer)
Step II. Word Study
1.Read the new words after the tape.
2.Choose the correct words to complete the following sentences.
1) John Snow devoted himself to ________(science, scientific) research.
2) He worked hard until he drew a ____________(conclude, conclusion) in 1854.
3) The boy needs one more stamp to make his collection __________ (complete, completely)
4) ____________(Apart from, Except) that 10 dollars, I have another ten given by my mother.
5) Cholera was a ________disease. Many people _____ of it. (dead, die , death, deadly)
6) People who had drunk the __________ (polluting, polluted) water were dead.
7) I will tell him the good news ____________ I see him. (immediate, immediately)
8) I suggest _______(to have, having) a rest after working for such a long
time.
3. Choose the correct words or expressions to fill in the blanks. Each word or expression may be used only once.
1.Who _______________ a theory about black holes?
2.What ______________ did you draw?
3.The car went out of ___________ and crashed.
4.SARS is a terrible _____________ disease.
5.He _____________ a difficult argument skillfully.
6.The cholera outbreak was so ________ that more than 500 people had died in 10 days.
7. Everyone was silent as he ___________ the winner of the match.
8._____________ visiting the zoo, we went to the museum.
Step III. Practice (using inductive method)
Use the correct form of the words to fill in the blanks.
Infection
examination=exam
Science /scientist
Conclude
Analysis
Defeat
Value
announcement /announcer
Instruction
Calculate
contribution /contributor contributive
Instructor/instruction
Move
Rejection
Create
Completion
Persuader Persuade
n. adj. adv.
Certain certainly
co-operation X
Revolution X
Privacy隱私；隱居 Private
X backward
Enthusiasm enthusiastically
Logic logically
Step IV. Pre-reading
Discussion:
1.What five most important qualities do you think a scientist should have? Give the reasons.
generous clever strict patient creative strong-willed serious intelligent honest ambitious talented careful
2. Do you know how to prove a new idea in scientific research? Discuss in groups the stages in examining a new scientific idea. What order would you put them in?
Draw a conclusion Think of a method Collect results Make up a question Find a problem Analyse the results Repeat if necessary
After reading the following passage, put the correct stages into the reading about research into a disease.
Step V. Summary
Step VI. Homework Assignment
1.Read the passage John Snow Defeats “King Cholera”.
2. Learn the new words by heart and prepare for tomorrow’s dictation.