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1、人教新课标必修8 Unit 3 Inventors and inventions,Reading II,Unit 3 Inventors and inventions,Period 4 Reading II,Alexander Graham Bell,Do you know the following scientists and what things they invented? Match the following two columns.,Galileo Einstein Newton Watt Edison Alexander graham Bell,telephone teles
2、cope steam engine bulb Theory of Relativity Newtons law,Alexander Graham Bell was an inventor that lived between 1819 and 1905. He was born in Scotland and later lived in the U.S. He spent much of his career teaching the deaf.,Have you ever wondered why telephone companies often have the word Bell a
3、s part of their name? Alexander Graham Bell invented the telephone in 1876 - and this is the phone companys way of honoring his achievement! The very first phone call was from Bell to his lab assistant, and he said Mr. Watson, come here at once. I want you.,Read the passage and answer the questions:
4、,What does Bells saying mean to you? What do you think Led to his success as an inventor of telephone? What inventions did Bell make? Why will he always be known as the inventor of the telephone?,What do you think led to his success as an inventor of the telephone?,His curiosity and exploring spirit
5、 led to his success as an inventor of the telephone.,What does Bells saying mean to you?,His saying means that it is important to be experimental. By being curious and exploring around a subject you may by chance come up with some new and original ways of solving a problem.,What inventions did Bell
6、make?,Bell invented the telephone and the tetrahedron shape by chance. Both of these are extremely useful and still used today.,Why will he always be known as the inventor of the telephone?,He will always be known as the inventor of the telephone because it was a very popular invention and the paten
7、t made the most money ever.,Reading task,Was Leonardo Da Vinci just a painter,?,Page 66,Mona Lisa-,Da Vincis most famous painting,Discussion:,Do you think Leonardo da Vinci is really a good painter? What else do you know he is famous for?,Read the passage and then answer the following questions:,Why
8、 did Leonardo need to design things for his employer when he was such a great painter? Why were Leonardos design different? How did painting help him invent things? Which skill do you think was more important: his drawing for the inventions or his understanding of machines for his painting? Give a r
9、eason.,1.Why did Leonardo need to design things for employer when he was such a great painter?,Leonardo lived at a time of great instability, when paintings did not always provide a stedy income.,2.Why were Leonardos design different?,He designs were different because he took things aprat and then i
10、mproved them. So his designs were accurate and could be built and used.,3.How did painting help him invent things?,Painting helped him with his inventions because while painting he had learned to observe things closely and draw accurately.,4.Which skill do you think was more important: his drawing f
11、or the inventions or his understanding of machines for his painting? Give a reason.,His understanding of machines for his painting was more importing because by understanding how each separate machine part worked, he could improve them and combine them in different ways to improve existing machines,
12、 which lead to a lot of inventions.,(The students can have other opinions),famous paintings such as Mona Lisa.,designed canals and bridges,designed cities,not mentioned,not mentioned,designed many new things such as the bicycle, a helicopter and an “automobile”, etc,took things apart and found out how they worked in order to design a better one,Discuss these questions in pairs. 1. How many ways was Leonardo able to earn his living? 2. How many areas are
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