人教新课标选修八 Unit3 Inventors and inventionswarming up reading 课件（25张PPT）

(共25张PPT)
Inventors and Inventions
Do you know the four great inventions of ancient China?
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compass
paper-making
gunpowder
printing
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Can you give some examples about inventions of modern life?
shared bikes
high-speed train
online shopping
mobile payment
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Are these inventions or discoveries ?
DNA
gravity
radium
discoveries
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What is an invention?
An Invention is something that is by a human being. Inventing is a scientific activity.
created
What is a discovery?
A discovery merely makes known（公布）something that in nature.
exists
What is the connection between invention and discovery?
Discoveries often lead to inventions.
electricity
the electric bulb 电灯
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Inventing is a scientific activity and follows similar stages used in scientific research. Look at the following list and work out a suitable order.
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
Order：2-3-5-4-6-1
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Patent office (专利局) plays the role of deciding what is an invention and what is not. And only inventions can get patents and be recognized and protected.
patents
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Reading
The problem of the snakes
What if (要是……就……) some snakes were in your yard, how would you deal with them?
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Fast Reading
1. Read the text quickly and complete its main idea.
2. What kind of writing style is the text?
3. Fill in the box with the number(s) of paragraphs to match each inventing process and complete their examples.
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Fast Reading
1. Read the text quickly and complete its main idea.
The text is mainly about the author’s experience in helping her mother get rid of the ______ and applying for the _____ for her invention.
snakes
patent
2. What kind of writing style is the text?
A. narrative(记叙文) B. argumentative(议论文)
C. explanatory(说明文) D. fiction
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3. Fill in the box with the number(s) of paragraphs to match each inventing process and complete their examples.
removed
harmed
methods
habits
1
2
Paragraph Stages Examples in this story
Find a problem The snake must be ________but not______
Do research Look for ________ of removal; the ______ of snakes
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4, 5, 6
7, 8
three
succeed
Fill in the form and file ___________________ with the Patent Office
three
the last
one
3
patent application
Test the solution several times Try_____ times and finally____________
Apply for a patent
Think of a creative solution Identify _______ possible approaches: choose______.
Paragraph Stages Examples in this story
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Careful Reading: answer the questions.
Para 1: Find a problem
1. What was the mother upset about?
2. Why was the writer happy to help her mother?
Para 4-6: Test the solution
1. What instruments were used for catching the snakes?
2. How did the author improve her attempts?
3. Can you find out some key verb phrases to describe the final solution?
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Para 7-8: Apply for a patent
1. What are the requirements of getting a patent?
2. According to the text, which do you think can be given a patent?
A. A new star discovered by a scientist.
B. A new novel written by Huo Da.
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.
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What was the mother upset about?
2. Why was the writer happy to help her mother?
The mother was upset because a family of snakes had made their home near the house.
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.
Careful Reading
Para 1: Find a problem
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Para 4-6: Test the solution
1. What instruments were used for catching the snakes?
A bowl, ice-cubes, a bucket, a small net
2. How did the author improve her attempts?
(1) To put the frozen bowl over the snakes' habitat in the morning.
(2) To put the frozen bowl over the snakes' habitat in the evening.
(3) To put the frozen bowl over the snakes' habitat in the evening and carry a net to collect the snakes without harming them the next morning.
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Para 4-6: Test the solution
3. Can you find out some key verb phrases to describe the final solution?
Firstly, freeze the bowl for 24 hours.
Secondly, place it over the snakes' habitat with some ice-cubes on its top.
Finally, cover the whole thing with a large bucket.
After 2 hours, remove the bucket and the bowl.
The next morning, collect the snakes with a net
The next day, release them into the wild.
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Para 7-8: Apply for a patent

1. What are the requirements of getting a patent?
The new ideas must be truly novel(新颖的).
Your invention mustn't be a discovery.
Your claim(声称；所有权) must be valid(有效的).
Your product must be different from others'.
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Para 7-8: Apply for a patent

2. According to the text, which do you think can be given a patent?
A. A new star discovered by a scientist.
B. A new novel written by Huo Da.
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.
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Summary: fill in the blanks according to the text.
When I _________ my mother on the phone she was very upset, because some snakes came near her house ____________. I thought it was a chance for me to ____________ myself by inventing something _______ that would get rid of the snakes. I _________ researching the habitat of snakes to find the easiest way to trap them. Finally I decided on three possible ___________. My first two ________ both failed, so I had to improve my design again. To my great delight, this time I succeeded.
called up
now and then
distinguish
merciful
set about
approaches
attempts
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All was in _____________ and at last I collected the _________snakes and ________released them back into the wild. Pressed by my friends and relations, I decided to ______ the opportunity to get
recognition for my successful
idea by sending my invention
to the _____________.
expectation
passive
Summary: fill in the blanks according to the text.
merrily
seize
patent office
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1. What’s the writing purpose of the passage?
2. What qualities does an inventor need?
Thinking:
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Thinking:
1. What’s the writing purpose of the passage?
The passage wants to inform us of the scientific methods to solve present problems so that we students can not only broaden our horizons but become more skilled in discovering and considering carefully the problems in daily life.
We are also encouraged to be creative and hardworking as well as thinking independently.
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Thinking:
2. What qualities does an inventor need?
An inventor should be curious, patient, imaginative, determined, challenging, enthusiastic, persistent(坚持的), and hardworking and so on.
Thank You
2020