外研版(2019)必修三 Unit 3 developing ideas课件(19张PPT)

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外研版(2019)必修三 Unit 3 developing ideas课件(19张PPT)

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(共19张PPT)
B3U3
Developing Ideas
Warm-up: Who said the quotations
Never leave that till tomorrow which you can do today.
Early to bed and early to rise makes a man healthy, wealthy, and wise.
--- Benjamin Franklin
Getting to Know Him:
Focusing on the Core: A Creative Scientist
Scientist
Curiosity Critical thinking Perseverance
Creativity Objectivity Cooperation spirit
Courage to question and innovate...
Think: What qualities should a scientist have
Analyzing the Title: Franklin’s experiment: How Much Is True
The aim of an experiment
A scientific experiment is to explore nature, test guesses and discover rules.
This text is to find out how much fact the story has.
Detail reading:
Read paragraph 1 and find out
the author’s view on the story of the experiment.
The story may be fiction instead of fact.
Read paragraph 2 and fill in the report on the experiment.
1. ___ a string __ a kite and _____ a metal key __ the string;
The famous story of Franklin’s experiment
Aim
Materials
Procedure
Result
Conclusion
To find out__________________________________
a kite, a string, a metal key
2. _____ the kite during _________;
3. _____ the key with _________.
A flash of lightning hits the kite and electricity is conducted through the string to the key. He gets an electric shock.
The lightning is a form of electricity.
whether lightning is a form of electricity
Tie
to
attach
to
Fly
a storm
Touch
the finger
The general public’s view
inspiring
educational
Scientists’ view
not entirely true.
fatal.
Read paragraphs 3 and 4 and find views on Franklin’s experiment.
One characteristic for a scientific truth: experimentally testable
Read paragraph 5 and find out
another characteristic for a scientific truth.
Solid evidence.
Why do scientists question accepted ideas
To establish the facts.
to discover/prove the facts of a situation
查实;确定;证实
Read paragraph 6 and find out
the author’s attitude towards such fictional stories
Admittedly, fiction is more interesting than the truth. People have been more inspired by Franklin’s spirit of scientific exploration than by the facts themselves. But in science, facts should be proved by experiments and research, and we should not always believe everything we read or hear – even if it is a great story.
Objective and critical
Stories can inspire us,
but science needs truth and evidence.
Do you think it matters that Franklin’s experiment might no be true Why
Think and share
Language appreciation
Many generations of school children ______ (have) been amazed by his bravery and his scientific approach to looking for the truth.
A number of scientists ______ (have) questioned what really happened.
In fact, a lot of accounts _________(suggest) that while Newton was certainly inspired by a falling apple,there is no proof that it hit him on the head.
have
have
suggest
Language appreciation
More than one generation of school children has been amazed by his bravery and his scientific approach to looking for the truth. (Paragraph 3)
... more than one scientist has questioned what really happened.(Prargraph 4)
In fact, more than one account suggests that while Newton was certainly inspired by a falling apple,there is no proof that it hit him on the head.(Paragraph 5)
More than one +单数名词,意为“不止一个...”, 作主语时,谓语用“第三人称单数形式”
相同的用法还有短语many a(很多)
Language appreciation
Many a student ______ (be) leaving for home.
More than one class _____________ (attend) the tug-of-war competition to date.
is
has attended
Language appreciation
Franklin, along with many other scientists, has inspired us and taught us that scientific experiments are important in order to establish th etruth and to contribute towards later scientific discoveries and inventions.(Paragraph 3)
However, neither the story nor the details of the experiment are not entirely true.(Paragraph 4)
along with, together with, with, as well as, etc. 引导出的成分不作为主语的一部分,谓语形式看前者,即就远原则。
Language appreciation
Tom, along with his parents ______ (be) going to see a film The Devil Wears Prada.
Neither Mary nor her sisters ___________ (read) the book to date.
is
have read
May we all become rational explorers.

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