Lesson3CleanMachines.pptx

1、Unit 9 Wheels Solar Car Racing,Cuess: what are they?,They are solaer cars,Think: we can use solar energy to.,use heat of the sun,use light of the sun,Enjoy:what are they doing?,Your Text Here,Your Text Here,Your Text Here,They are racing a car,Interview:find your peer,1.Well ,the first question I ha

2、ve for you is simple. What is a solar car?,Solar cars are cars that use the suns energy for power. That means they dont use petrol, gas or any other fuel, just the sunlight.,2.And why are people interested in solar cars?,People have been worried about pollution caused by fuels like petrol and gas fo

3、r a long time now. Solar cars are clean and safe, so there is a lot of interest in them.,3.Youve been designing solar racing cars for a long time. When did you start?,Well, Ive been interested in cars since kindergarten. When I was at university , I started designing my car, Ive designed five or six

4、 different cars so far. And Ive been taking part in races for about four years.,4.How many races have you taken part in?,Let me think. Six. Weve won two of them!,5.Where do these races take place?,Well, the one I like best crosses the whole of Australia from northwest to southeast. Its about 4,500km

5、 long!,6.Wow! How long does that take?,These days the fastest cars can do it in six days.,7.And what have you been doing recently?,Ive been building a new car with a team from Queensland University. Weve done a lot of work on it, but we havent finished yet.,8.And youve been writing a book about sola

6、r cars.,Well, so far Ive only written the first few chapters! I want people to have a good impression of solar cars.,9.But a lot of people think that solar cars are too slow or not very reliable. How can you persuade them of the advantages of solar cars?,Solar cars are getting better all the time. T

7、hey have reached speeds of nearly 80k.p.h. In tests, one car we built has averaged over 40k.p.h., even in cloudy weather.,Discuss:true or false,1.Marie Logan began designing cars when she was a student. 2.She has won most of her races. 3.The team has nearly finished building a solar car. 4.Marie has

8、 written a book about solar cars. 5.Solar cars can work in cloudy weather.,Role play:show yourself,1.Well ,the first question . What is .?,Solar cars are cars. . That means . , just the sunlight.,2.And why are people .?,People have been worried about . for a long time now. Solar cars are . , so . in

9、 them.,3.Youve been .for a long time. When did.?,Well, Ive been interested in cars since . . When I was at university , I started designing my car, Ive designed . . And Ive been taking part in races . .,4. races have you .?,Let me think. . . Weve won . !,5.Where do these races .?,Well, the one . Aus

10、tralia from . . Its about . long!,6.Wow! How long .?,These days . in six days.,7.And what .recently?,Ive been building .from . . Weve done a lot of work on it, .,8.And youve been writing a book . .,Well, so far Ive only. ! I want people to . solar cars.,9.But a lot of people think that solar cars are too slow or not very reliable. How can you .?,Solar cars are getting better all the time. They have reached . . In tests, one car we built has averaged . .,Write: use solar to.,solar energy,use heat of t