Unit 1 Great Scientists

Teaching aims and demands:
1.topic
how to organizescientificresearch : contributions of scientists.
2.useful words and expressions
engine characteristic radium theory scientific examine conclude conclusionanalyse repeat defeat attend expose cure control absorbseverevaluable pump pub blame immediately handle addition link announce instruct virus constructioncontributepositivestrictmovement god God backward complete spin enthusiasticcautiousreject view
steam engine , put forward , draw a conclusion , in addition , linke…to , apart from , (be) strict with , lead to , make sense , point of view
3.Functions:
Describing people: characteristics and qualities
How will I recognize you?
You can recognize me because…
What will you wear?
I will wear a…
What do you look like?
What special features do you have?
I’m tall/short, fat/ thin, young/old…
How will I know you?
I have large/ small, brown/ green / black eyes with…
4. Grammar
The Past Participle as the Attribute and the Predicative
So many thousands of terrified people died.{Attribute}
But he became inspired when he…{Predicative}

Teaching procedure:

Period 1

Step 1 . lead in
Ask the Ss to answer the following question:
Do you know any scientists?
(Ss say some scientists. Such as : Albert Einstein\, Isaac Newton, Benjamin Franklin(1706-1790, Qian Xuesen , Liu Zhenxing , Hawking, Mendeleev……)

Step 2 action
1.Ask the Ss some to introduce some scientists by his / her own word by the next question
Can you remember their names and their scientific achievements?
2.Help the Ss to finish the introduction.

Step 3. Group work
Four Ss in a group and finish the chart in warming up in page 1.

Step 4. pre-reading
Ask the Ss the following Qs”
1.what do you know about infectious diseases such as cholera ?
2.do you know how to prove a new idea in scientific research? (Ask the Ss to guess the correct orders of the steps on page 1..)

step 5.read the new words of this unit

Step 6.assignment and home work
prepare the text , and check the orders on step 4.



Period 2
Step 1. Revision
1. Check the Ss’ homework (7 Draw a conclusion 3 Think of a method 4Collect results Make up a question 1Find a problem 5Analyse the results 6.Repeat if necessary)
2. Check the pronunciation of some new words.

Step2.   Scanning
Read the passage quickly and put the correct stages into the reading about research into a disease.
Find a problem:: John Snow was a well-known doctorin London…until its cause was found.

Make up a question: He got interested in the two theories…and soon the affected person was dead.

Think of a method: He believed in the second theory but…so severe that more than 500 people had died in 10 days.

Collect results: He determined to find out why… It seemedthe water was to blame.

Analyse the results: Next, John Snow looked into the source of the water for these two streets…that cholera was spread by germs and not in a cloud of gas.

Repeat if necessary: In addition, he found…that polluted water carried the disease.
Draw a conclusion: To prevent this from happening again,…not to expose people to polluted water anymore.

Step 3. Careful reading
1.Ask the Ss to read the text carefully and then finish the chart in Ex. 1 on page 3.
Scientific Report by John Snow
The problem
Nobody knew the cause of the serious disease
of cholera.
The cause
Idea 1: strange cloud in the air that attacked victims.
Idea 2: people absorbed the disease with their meals.
The method生词表:

organize [´ɔ:gənaiz]   v.组织；编组；建立   (初中英语单词)

scientific [,saiən´tifik]   a.科学(上)的   (初中英语单词)

research [ri´sə:tʃ]   n.&vi.调查；探究；研究   (初中英语单词)

conclusion [kən´klu:ʒən]   n.结束；结论；推论   (初中英语单词)

expose [ik´spəuz]   vt.揭露，暴露；陈列   (初中英语单词)

absorb [əb´sɔ:b]   vt.吸收；吸引   (初中英语单词)

severe [si´viə]   a.严厉的；苛刻的   (初中英语单词)

valuable [´væljuəbəl, -jubəl]   a.有价值的，贵重的   (初中英语单词)

addition [ə´diʃən]   n.加；加法；附加物   (初中英语单词)

instruct [in´strʌkt]   vt.教育；指导；通知   (初中英语单词)

construction [kən´strʌkʃən]   n.建设；修建；结构   (初中英语单词)

contribute [kən´tribju:t]   v.贡献出；投稿；捐献   (初中英语单词)

movement [´mu:vmənt]   n.活动；运动；动作   (初中英语单词)

backward [´bækwəd]   ad.向后 a.向后的   (初中英语单词)

attribute [ə´tribju:t]   n.象征 vt.归因于   (初中英语单词)

pronunciation [prə,nʌnsi´eiʃən]   n.发音(法)   (初中英语单词)

reading [´ri:diŋ]   n.(阅)读；朗读；读物   (初中英语单词)

well-known [,wel´nəun]   a.著名的，众所周知的   (初中英语单词)

characteristic [,kæriktə´ristik]   a.特有的 n.特性   (高中英语单词)

analyse [´ænəlaiz]   vt.分析，分解 =analyze   (高中英语单词)

positive [´pɔzətiv]   a.确定的   (高中英语单词)

strict [strikt]   a.严厉的；精确的   (高中英语单词)

enthusiastic [inθju:zi´æstik]   a.热情的，热心的   (高中英语单词)

reject [ri´dʒekt]   vt.拒绝；抵制；否决   (高中英语单词)

infectious [in´fekʃəs]   a.传染，传染(性)的   (高中英语单词)

cautious [´kɔ:ʃəs]   a.小心的；谨慎的   (英语四级单词)

newton [´nju:tn]   n.牛顿   (英语四级单词)

warming [´wɔ:miŋ]   n.暖和；加温   (英语四级单词)

happening [´hæpəniŋ]   n.事件，偶然发生的事   (英语四级单词)

einstein [´ainstain]   n.爱因斯坦   (英语六级单词)

cholera [´kɔlərə]   n.霍乱   (英语六级单词)

affected [ə´fektid]   a.做作的；假装的   (英语六级单词)