外研版（2019）必修第三册Unit 3The world of science Understanding ideas 课件 (13张ppt)

(共13张PPT)
Unit3 The world of science
Understanding ideas
Lead in
Activity 1 Can you tell the difference between the pictures
Ancient times
Modern times
1. window (paper vs glass)
2. Things in the kitchen(firewood vs gas, bucket vs electric kettle)
3. Lightening equipment ( candle vs bulb )
4. Way to study (brush pen vs laptop)
What has changed the way we live
invention
Reading
V
I
1.Read the interview (P26-27) fast and find out what inventions are mentioned.
Great inventions in ancient China:
Western inventions :
steam engine
telephone
radio
gunpower
papermaking
printing
compass
1.Read the passage on Pages 26-27 quickly and match each paragraph with its main idea.
(　　) Paras.1-2　 A.The advances connected with technology.
(　　) Paras.3-4 B.The possibility of making time machine.
(　　) Paras.5-8 C.The ages of invention of all time.
(　　) Paras.9-12 D.The inspiration to invent more.
(　　) Paras.13-14 E.Greeting from the interviewer and Richard.
E
C
A
D
B
2.Choose the sentences that describe Dr Fairhurst’s opinions.
Inventions in Ancient China were better than those in the West.
A lot of today’s great inventions are tech-based.
Today, most inventors prefer working by themselves.
The desire to solve problems inspires invention.
A time machine will definitely be invented in the future.
inventions of the past
inspiration for inventions
inventions of today
Ancient China1.__________
The West-2.________________
recognising 7._________________________
8._______________________________
wearable tech
3._____________
replacement 4._______________
made by 3D printers
5._________________ using GPS, computing technology and 6._____________
gunpowder, papermaking, printing and the compass
2 the steam engine, the telephone and the radio
the flexible battery
hearts and bone parts
an intelligent walking house
eco-friendly solar technology
a problem that needs a solution
an incredible desire to think and create
Activity 4 Fill in the blanks in the mind map.
virtual reality
Post-reading
V
V
Retell the interview by completing the following blanks.
There have been 1.　　　　(gold) ages of invention throughout history.Think of the four great inventions 2.　　　　Ancient China:gunpowder,papermaking,3._________(print) and the compass.These things changed the world forever.Then there were the great Western inventions:the steam engine,the telephone and the radio.And now most of the new great 4.____________(invent) are tech-based.For example,advances in virtual reality and 5._________(wear) tech,as well as the flexible battery,mean we should soon be seeing 6.________(far) developments.
golden
in
printing
inventions
wearable
further
In addition, important advances have been made in medicine and
7.　　　_____　(environment) science thanks 8.　　　　increasing computer power. New inventions like 3D printers have been used
9.　　　　(make) replacement hearts and bone parts. In terms 10.___　　　　 the environment,it is now possible to create an intelligent walking house.
environmental
to
to make
of
Think & Share
What else inspires people to invent things