Unit 4
Scientists who changed the world
Lead in
Lead-in
1. Have you ever dreamt of becoming a scientist?
2. Who do we refer to when talking about “scientists”?
The scientist is motivated primarily by curiosity and a desire for truth.
— Irving Langmuir
科学家的驱动力主要是好奇心和对真理的渴望。
欧文﹒朗缪尔，美国化学家、物理学家，因在表面化学上的贡献于1932年获得诺贝尔化学奖。
What is the scientist?
Presentation
Presentation
Patient
Courageous
Creative
Persistent
Hard-working
Objective
Thoughtful
…
Can you list other qualities?
Game Time!
PK
What scientists do you know of ?
scientists
Great scientistsGreat scientists
Fight for Your group ScoresFight for Your group Scores
great
1
point
1 point
2 points
2 points
Show Answer
Back to board
Isaac Newton
1
1
Back to Board
Yuan Longping
The Father of Hybrid rice（杂交水稻）
2
Super rice
Back to board
3
Qian Xuesen
The Father of China Aerospace（航空）
Hydrogen bomb
atomic bomb
Man-made satellite
Back to Board
Tu Youyou
Noble Prize winner
4
Presentation
Watch the video and finish the following exercises.
P43
graduated from
succeeded in developing
made great contributions to
237 weeks
What else do you know about the two scientists in the video?
? Yuan Longping has an asteroid（小行星）named after him. In 1999, the asteroid project team who discovered it decided to honour this great man for his achievement in developing hybrid rice（杂交水稻）. The asteroid is called “Yuan Longping star”.
? Stephen Hawking fulfilled（实现） his lifelong dream of experiencing zero gravity（重力）, even though he was wheelchair-bound（坐轮椅的）. His dream came true when he flew in a special zero gravity airplane in 2007.
More about Yuan Longping
