北师大版九年级(初三)英语全一册PPT课件：Famous Discoveries

They will probably feel very sad and give up their dreams and hopes for the future.
2. What did Hawking do when he was told so?
Instead of giving up, he went on with his research, got his PhD and married the girl. He continued his exploration … and traveled …to give lectures.
7. What is it that Hawking doesn’t like about his speech computer? The only trouble is that it gives Hawking, who is
British, an American accent. (It is the American accent that Hawking doesn’t like about it.)
it means to be a scientist and how science works. He tells readers how discoveries are made and how ….
5. According to Hawking, how do people misunderstand science?
Stephen Hawking
Stephen Hawking
The Black Hole
Big Bang
Stephen Hawking, the author of “A Brief History of Time”(时间 简史)
What’s your first impression of him?
6. What are the basic steps of the scientific method? (l4-p.4)—first, observe—then, explain-build a theory —finally, test the theory-if it matches-if it can predict —use experiments—use a model to test the theory
People often think that science is about “true” facts that never change. Scientists, on the other hand, know that their job is never finished and that even the best theory can be turned out to be wrong.
He and Roger Penrose made new discoveries about the Big Bang and black holes. T
“A Brief History of Time” is too difficult for people to understand. F Science is about true facts that never change. Fຫໍສະໝຸດ No Boundaries
understanding:
How do you understand the title “No boundaries” ?
Unanswerable questions have no boundaries.
science
no boundaries
thinking in
Careful Reading
Read the text again and answer the following questions
1. How would most people feel when they were told that they had an incurable disease?
“…you may not have more
than twelve months to live.”
How would you feel?
black holes
Misunderstandings …
observe build a theory
Use experiments
test
use a model
3. For what did Hawking become famous in the 1970s?
He became famous for having made new discoveries about the Big Bang and black holes with Roger….
4. What did Hawking explain in the book A Brief History of Time? ---In the book, he explains both what
imagination
…
truth and falsehood（谬误） between
the healthy and the disabled
Why did Stephen Hawking need a PhD? When did Hawking become famous ?
When did Hawking visit Beijing ?
When Hawking gives lectures, he always speaks through a computer. T
“…the only trouble…”
True or false skimming
Hawking was told that he had an incurable disease
when he was just 21 years old. T
F
Finally Hawking had to give up PhD and his research.