Unit 3 Inventors and inventions

Why are they famous? 创设情境 Issac Newton discovered gravity

Why are they famous?

Ben Franklin

Lightning is electricity

Thomas Edison invented the electric bulb.

Why are they famous?

Madame Curie


Why are they famous?

Zhang Heng



Do you know what these inventions 创设情境 are and when did they happen?

Telephone 1876

television 1923

colour television 1940

photocopier 1937

air conditioner 1902

Credit cards 1950

Penicillin 1928


discovery or invention?

An amphibious[? m'f?b??s car DNA

Stephenson’s “Rocket”

Difference between discovery and invention
finding out something A discovery is_____________ existing but not yet known ________________________ creating something An invention is___________ not existing before. ___________________



Do you know the stages every inventor must go through before they can have their invention

approved? Here give you some
similar stages used in research,

please out them in the suitable

stages every inventor must go through
Applying for a patent Finding a problem Doing research Testing the solution Thinking of a creative solution Deciding on the invention

1.___________________________ 2.___________________________ 3.___________________________ 4.___________________________ 5.___________________________ 6.___________________________

The problems of the snakes



1.The purpose of the text is __________. 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 patent


What is the text about?
the problem of the snakes The text is about ________________________ and presents ____________________________ the procedures of catching them and applying for __________. a patent

Reading – II (5m)

Divide the text into four parts and work out the main idea for each paragraph.
Part I (Para.1) Part II (Paras2-3) Part III (Para. 4Part 6) IV (Para.7-8) The attempts to catch the snakes. The research on the approaches to solve the problem. The requirement of getting a patent. The discovery of the problem of the snakes.

Careful -reading Scanning


Find out which paragraph or paragraphs deal with each inventing process in the passage and find the examples:
Para. Stages Examples in this story

1 2

Find a problem Do research

The snake must be caught harmed ________but not______ removed Look for ___________ approaches of removal; the ______ habits of snakes


Think of a creative solution Test the solution several times Apply for a patent

Identify _______ three possible approaches: one choose____. Try_____ three times to make it work efficiently ________. This means the solution is recognized _________.



True or False statements: 反馈练习 (1) In this passage, the writer wants to
encourage the readers to consider carefully the problems in daily life and to be creative and hardworking as well as thinking intelligently. (2) The writer was successful in catching the snakes in the second attempt. (3) An inventor can easily get the patent for the invention.

(4) If you have a scientific theory or mathematical model, you can get a patent( 专利). (5). The stages to apply for a patent is to fill in the form for your invention, file your patent application with the patent office and wait for the patent examination. (6). If your invention passes the test, your application for a patent will be published 17 months from the date you apply.

How did the writer catch the snakes?
A. use something the snakes were
interested to attract them into a trap. B. take their habitat to another place. C. place the snakes at a low temperature for them to sleep and then catch them.

D. All the above.

Why did cooling the snakes make them less active?

A. Because snakes are warmblooded animals. B. Because snakes like high temperature. C. Because snakes are cold-blooded animals and they usually hibernate(冬眠) in winter.

Which statement is TRUE according to the text? A.The snakes were so sleepy in the second attempt that they couldn’t bite the write 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.


According to the text, which subject do you
think can be given a patent?

A. A new star discovered by a scientist.
B. A new novel written by Yao Ming.

C. A new way to make dirty water clean.
D. A new kind of grass found in a mountain which can be used as a medicine.

What might be the advantages of getting a patent?
1)You are able to prove that you were the first person to make the invention. 2)You are recognized as a real inventor. 3)You can make money if you sell your invention to others.

Reading –IV (5m)


1. What’s the writing purpose of the writer? 2.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 and persistence to achieve his or her ambition in life.



What good qualities should an inventor have?
creative curious patient imaginative hard-working adventurous challengeable …

布置作业 homework 1.Go over the whole passage. 2.Recite the key sentences in the text.

3.Prepare for Learning about Language in the textbook.


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