Unit 3 Inventors and inventions Warming up 课件(41张)

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名称 Unit 3 Inventors and inventions Warming up 课件(41张)
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科目 英语
更新时间 2018-07-28 19:05:10

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课件41张PPT。Unit 3
Inventors and inventions Discuss in pairs which pictures show inventions and which show discoveries. An amphibious carStephenson’s “Rocket”DNAWork out the rules that will help you decide what a discovery is and what an invention is.1) A discovery is
A discovery merely makes known something that already exist in nature, such as the discovery on the New Continent by Columbia. 2) An invention is
An invention is something that created by human being, such as the lighting rod. What are the important inventions of the 20th century? Which do you think is the most important one?Enjoy the moviesThomas Edison invented the electric bulb. In pairs discuss any modern inventions you know. Describe them to your partner and explain how they changed people’s lives.television 1923 colour television 1940photocopier 1937air conditioner 1902electronic digital computer 1946Atomic bomb 1945Credit cards 1950Penicillin 1928Do you know the stages every inventor must go through before they can have their invention approved? Inventing is a scientific activity and so follows similar stages to those used in scientific research. Look at the following list and work out a suitable order.Pre-reading Applying for a patent
2. Finding a problem
3. Doing research
4. Testing the solution
5. Thinking of a creative solution
6. Deciding on the invention The text is mainly about the author’s experience in helping her mother get rid of the ______ and applying for the _____ for her invention. snakespatent Read the text quickly and complete its main idea.The problem of the snakesDivide the passage into several parts and find out the main idea for each paragraph.Part 1 (para.1)the discovery of the problem of the snakesPart 2 (para.2)Doing some research about the habits of snakesPart 3 (para.3)Deciding on the solutionPart 4 (para.4-6)the attempts to catch the snakesPart 5 (para.7-8)the requirements of getting a patentRead the text carefully and fill in
the blanks.harminghabitshabitattrapcoolinglast /thirdin the eveningnetpatentdifferentvalid181. How did the writer catch the snakes?
A. using something the snakes were
interested to attract them into a trap.
B. taking their habitat to another place.
C. placing the snakes at a low temperature for them to sleep and then caught them.
D. All the above. CRead the text carefully and choose the best answer.2. The writer was successful to catch the
snakes in ____ attempt.
A. the first B. the second
C. the third D. everyC3. The following are used in the three attempts EXCEPT ____.
A. perfume B. a bowl
C. jelly D. ice-cubesA4. Why did cooling the snakes make
them less active?
A. Because snakes are warm-blooded
animals.
B. Because snakes like high temperature.
C. Because snakes are reptiles and their
body temperature depends on the
heat around them. C5. Which of the following may get a patent according to the text?
A. A computer programme. B. A new animal variety. C. A work of literature. D. A truly novel and useful invention.D6. The purpose in writing this text is ___.
A. to show us how to trap the snakes but not to kill them
B. to tell people how to apply for a patent of the writer’s new idea
C. to introduce the writer’s new idea of trapping the snakes and her
application for a patent
D. to tell the readers how to get a new idea and make it a patentC7. The biggest advantage of the writer’s new idea is that ____.A. it makes the snakes move slowly
B. it makes the snakes hardly bite us
C. it is easier for us to kill the snakes without hurting ourselves
D. it is easier for us to catch the snakes without killing themD8. Which statement is true according to the text?A. The snakes were so sleepy in the second attempt that they couldn’t bite the writer at all.
B. Your product must be different from everybody else’s if you want to receive a patent.
C. The writer decided to send her invention to the patent office the moment she succeeded in catching the snakes.
D. If an application for your product proves to be valid, you can get a patent immediately.BThe mother was upset because a family of snakes had made their home near the house.1) What was the mother upset about?Read and answer the questions.The writer was happy because it gave her an opportunity to help her mother and invent something to catch the snakes without hurting them at the same time.2) Why was the writer happy to help
her mother?3) Why did cooling make the snakes less
active?
Snakes do not have a way of keeping
warm in their bodies. They get warmth from the sun and become more active at this time. When the sun goes down at night they cool down and become less active. So extra cooling to the snake would make them even less active and easier to catch.DiscussionWhat’s the writing purpose of the writer?
What should we learn from this text?1. What’s the writing purpose of the writer?The writer wants to inform us of the scientific methods to solve present problems so that we students can not only broaden the horizons but become more skilled in discovering and considering carefully the problems in daily life. We are also encouraged by the writer to be creative and hardworking as well as thinking independently.2. What should we learn from this text?We can learn from the text the way of doing scientific researches and how to apply for a patent. We can also learn that it takes an inventor great determination persistence to achieve his or her ambition in life.Apply what we learn:In pairs look at the following problems. Choose one and use the scientific stages to design a new invention to solve it. Remember to include one change to your invention in case it doesn’t work the first time.Problem 1: the ripe apples on your apple tree are too high for you to reach. What can you invent to pick the apples in comfort?
Problem 2: You need to make a house but you only have strings, glue, fishing nets and many plastic bottles. How can you solve it?Problem 3: You want to catch fish but not hurt them when you do so. Design a fishing rod that will solve this problem.Write a passage about how to apply for a patent.