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人教新课标版高二选修8 Unit3 Inventors and inventions-ReadingII ppt课件


人教新课标必修8 Unit3
ReadingII

Unit 3 Inventors and inventions

Alexander Graham Bell

Do you know the following scientists and what things they invented? Mat

ch the following two columns. Galileo Einstein telephone

telescope
steam engine

Newton
Watt Edison Alexander graham Bell

bulb
Theory of Relativity Newton’s law

Have you ever wondered why telephone companies often have the word "Bell" as part of their name? Alexander Graham Bell invented the telephone in Alexander Graham Bell 1876 - and this is the was an inventor that lived phone company's way of between 1819 and 1905. honoring his achievement! The very first phone call He was born in Scotland was from Bell to his lab and later lived in the U.S. assistant, and he said "Mr. He spent much of his Watson, come here at career teaching the deaf. once. I want you."

Read the passage and answer the questions: 1.What does Bell’s saying mean to you? 2.What do you think Led to his success as an inventor of telephone? 3.What inventions did Bell make? 4.Why will he always be known as the inventor of the telephone?

What does Bell’s 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 do you think led to his success as an inventor of the telephone? His curiosity and exploring spirit led to his success as an inventor of the telephone.

What inventions did Bell 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 patent made the most money ever.

Reading task Page 66 Was Leonardo Da Vinci just a painter

Mona Lisa---Da Vinci’s 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: 1.Why did Leonardo need to design things for his employer when he was such a great painter?
2.Why were Leonardo’s design different? 3.How did painting help him invent things? 4.Which skill do you think was more important: his drawing for the inventions or his understanding of machines for his painting? Give a reason.

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 Leonardo’s design different?
He designs were different because he took things aprat and then improved 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 for 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, which lead to a lot of inventions. (The students can have other opinions)

Possible
skills

Evidence from
Leonardo

Evidence from
you

artist
engineer

architect
teacher

doctor
inventor

scientist

Possible Evidence from skills artist Leonardo famous paintings such as Mona Lisa. designed canals and bridges

Evidence from you

engineer

Possible skills

Evidence from

Evidence from you

Leonardo architect designed cities

teacher

not mentioned

Possible Evidence from
skills doctor Leonardo not mentioned

Evidence
from you

Inventor designed many new things such as the bicycle, a helicopter and an “automobile”, etc

Possible Evidence from

Evidence

skills

Leonardo
found out how they

from you

scientist took things apart and

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 you familiar with? 3. Which areas of knowledge are you least happy with? Does this worry you? How might you put this right?

Assignment

1.Read the passage again.

2.Recite the new words in the reading.


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