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1、Unit 1 Great scientistsTeaching aims1. To help students learn to describe people2. To help students learn to read a narration about John Snow3. To help students better understand “Great scientists4. To help students learn to use some important words and expressions5. To help students identify exampl
2、es of “The Past Participle (1) as the Predicative & the attributePeriod 1 Warming up and readingTeaching ProceduresI. Warming up Step I Lead inTalk about scientist.T: Hi, morning, class. Nice to see you on this special day, the day when you become a senior two grader. I am happy to be with you helpi
3、ng you with your English. Today we are to read about a certain scientist. But first lets define the word “scientist. What is a scientist?A scientist is a person who works in science, trying to understand how the universe or other things work.Scientists can work in different areas of science. Here ar
4、e some examples: Those that study physics are physicists. Those that study chemistry are chemists. Those that study biology are biologists.Step IIAsk the students to try the quiz and find out who knows the most.T: There are some great scientific achievements that have changed the world. Can you name
5、 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. 1. Archimedes, Ancient Greek (287-212 BC), a mathematician.2. Charles Darwin, Britain (1808-188
6、2). The name of the book is Origin of Species.3. Thomas Newcomen, British (1663-1729), an inventor of steam engine.4. Gregor Mendel, Czech, a botanist and geneticist.5. Marie Curie, Polish and French, a chemist and physicist.6. Thomas Edison, American, an inventor.7. Leonardo da Vinci, Italian, an a
7、rtist.8. Sir Humphry Davy, British, an inventor and chemist.9. Zhang Heng, ancient China, an inventor.10. Stepper Hawking, British, a physicist.II. Pre-readingStep IGet the students to discuss the questions on page 1 with their partners. Then ask the students to report their work. Encourage the stud
8、ents to express their different opinions. 1. What do you know about infectious diseases?Infectious diseases can be spread to other people. They have an unknown cause and need public health care to solve them. People may be exposed to infectious disease, so may animals, such as bird flu，AIDS, SARS ar
9、e infectious diseases. Infectious diseases are difficult to cure. 2. What do you know about cholera?Cholera is the illness caused by a bacterium called Vibrio cholerae. It infects peoples intestines(肠), causing diarrhea and leg cramps (抽筋).The most common cause of cholera is by someone eating food o
10、r drinking water that has been contaminated(污染) with the bacteria. Cholera can be mild(不严重的) or even without immediate symptoms(病症), but a severe case can lead to death without immediately treatment.3. Do you know how to prove a new idea in scientific research?Anybody might come out with a new idea.
11、 But how do we prove it in scientific research? There are seven stages in examining a new idea in scientific research. And they can be put in the following order. What order would you put the seven in? Just guess.Find a problem Make up a question Think of a method Collect results Analyse the results
12、 Draw a conclusion Repeat if necessaryIII. ReadingStep I Pre-reading1. Do you know John Snow?John Snow is a well-known doctor in the 19th century in London and he defeated “King Cholera.2. Do you know what kind of disease is cholera?It is a kind of terrible disease caused by drinking dirty water and
13、 it caused a lot of deaths in the old times and it was very difficult to defeat.Lets get to know how Dr. John Snow defeated “King Cholera in 1854 in London in this reading passage: Step II SkimmingRead the passage and answer the questions.1. Who defeats “King Cholera“? (John Snow)2. What happened in
14、 1854? (Cholera outbreak hit London.)3. How many people died in 10 days? (500)4. Why is there no death at No. 20 and 21 Broad Street as well as at No. 8 and 9 Cambridge Street? (These families had not drunk the water from the Broad Street pump.)(Optional)Skim the passage and find the information to
15、complete the form below.WhoWhenWhatHowResultJohn Snow1854helping ordinary people exposed to choleraExamining the source of all water supplies and finding new methods of dealing with polluted waster“King Cholera defeatedStep III ScanningRead the passage and number these events in the order that they happened. 2 John Snow began to test two theories. 1 An outbreak of cholera hit London in 1854. 4 John Snow marked the deaths on a map. 7 He announced that the water carried the disease. 3 John Snow investigated two streets where the outbreak was very severe. 8 King Cholera was defeated. 5 He found
