資源簡介

(共18張PPT)
The World of Science
Developing ideas
FRANKLIN'S EXPERIMENT：
How Much Is True
After this class, we can:
1. know something about Benjamin Franklin
2. understand the structure of the argumentation,as well as some words and expressions .
3.develop critical thinking ability.
Teaching objectives
Guess a historical figure
He was one of the founding fathers of the US.
He helped draft the Declaration of Independence.
played a part in the American Revolution
Benjamin Franklin
Do you know Frinklin's famous kite experiment
Prediction
Read the title and predict what the author talks about.
What’s the author’s view on the story of the experiment
The story may be fiction instead of fact.
How much is true about Franklin's experiment.
Find the main idea
Para 2:
Para 3:
Para 4:
Para 6:
Para 1:
Para 5:
fiction instead of fact
The story of the experiment
Public view about this story
Scientists’ view about this story
Scientists’ question spirit
Facts should be proved
by experiments and research
aim
materials
procedures
conclusion
to test if lighting was produced by
electricity
a kite with a string
a mental key
1.tie a string to a kite and attach a metal key to the string.
2.fly the kite during a storm.
3.touch the key with the finger.
The lighting is a form of electricity.
the kite
experiment
Read for details（para1-2)
Read for details（para3-4)
vs
public view about Franklin's experiment
scientist's view about Franklin's experiment
1.has been amazed by his bravery
and scientific approach.
2.inspired us and taught us that scientific experiments are important to establish the truth.
1.neither the story nor the details
of the experiment are entirely true.
2.The details about the string and the key are true.
doubtful ; but still inspired
amazed & inspired
Read for details
Scientists’ view on the story and such stories
Para 5~6
What is true
What is false
Why do scientists think so
Franklin’s experiment took place.
The detail about the string and the key is true.
Franklin did not touch the key.
He would certainly have died from the electric shock if he had touched the key.
Why do scientists question accepted ideas
They want to establish the facts.
1. Why the author offer the story of Newton
Answer the questions.
To give another example to demonstrate the
argument that the stories behind inventions
may be not true.
Analyse the structure
What is the genre (文體) of the passage
Narration: to tell a story, or inform an event.
Exposition: to explain sth, or define a term.
Argumentation: to express views to persuade sb.
Argumentation: to express views to persuade sb.
How can we make our argument more persuasive
Tips:
Concession (讓步) to the opposition
Reader awareness
Logical coherence（邏輯連貫）
Introduction/Argument
Conclusion/Restatement of the argument
Supporting para.
Facts/Statistics
Reasons/
Incidents
Examples/
Details
Fried
1. Do you think it matters that Franklin's experiment might not be true Why
No. Although it might not be true, we are still inspired by his spirit of scientific exploration.
Yes. In science, facts should be more important than fiction.
Serious
science
2. What qualities do you think a great scientist should have
Creative
Interested
Enthusiastic
Novel
Critical
Extensive
Franklin's experiment:
How much is true
what
people's attitude
procedures
aim
conclusion
materials
amazed & inspired
doubtful; but still inspired
Critical thinking
summary
1.What do you know about Franklin
2.Can you describe Franklin's kite experiment
3.How did people's attitudes towards Franklin's experiment change
4. What's your opinion on facts and fiction
check your understanding
1. retell the text to your deskmate.
2.Find the story of Newton's discovery and write an argumentation to question it.
Newton's discovery of gravity: How much is true
Homework

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