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必修三 Unit 3
The world of science (4)高一年级 英语;;Learning objectives;Look at the picture. Who is he?;Read the short introduction to Benjamin Franklin. ;What else do you know about him as a creative scientist?;;Lead in;Do you think Franklin’s kite experiment is true?;Can?you?identify the writing type of?this?article?;Can?you?predict?the?main?topic?of?this?article?;Can?you?predict?the?main?topic?of?this?article?;Can?you?predict?the?main?topic?of?this?article?;Read for prediction.;Read for topic.;Read?the?article?again?and?sum?up?the?main?topic?of?each?
paragraph.?;;Para. 2 How Franklin’s experiment is carried out.
;;;Para. 2 How Franklin’s experiment is carried out.
;;Read for connection.;Read para. 1 to find:; Benjamin Franklin’s famous experiment with lightning
has introduced generations of children to science. However,
new research suggests that the story may be fiction instead of fact.
(para. 1)
;Read para. 2 — 5 to find:;Read para. 2 — 5 to find:;He raised the kite with a piece of string tied to it. A metal key
was attached to the string. A flash of lightning hit the kite, and
electricity was conducted through the string to the key. Franklin
then touched the key with his finger and got an electric shock.
(para. 2);The well-known story is that the American Founding Father and
scientist flew a kite during a storm in 1752. At that time, there was
much interest in electricity. People wanted to know if lightning was
really produced by electricity or something else. …This, he said,
proved that lightning was a form of electricity. (para. 2);More than one generation of schoolchildren has been amazed
by his bravery and his scientific approach to looking for the truth.
Franklin, along with many other scientists, has inspired us and
taught us that scientific experiments are important in order to
establish the truth and to contribute towards later scientific
discoveries and inventions. (para. 3);Although it has been proved that Franklin’s experiment
t
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