高中英语人教版 (2019)选择性必修 第二册Unit 1 Science and Scientists精品说课教学作业ppt课件

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Unit1 SCIENCE AND SCIENTISTSUsing Language1 听说课 导学案课前预习区预习自测1.根据词义写出正确的单词1. vt.v.投射;向….投以(视线、笑容等);2. n.阴影;影子;背光处 3. n.彩虹4. vt.倒出;倾泻;斟(饮料) 5. n.混凝土6. n.血浆adj.混凝土制的;确实的;具体的7. n.航空航天工业8. adj.爱国的9. adj.机械的;发动机的;机器的10. n.机械师;机械修理工11. n.航空制造业;航空;飞行12. vt.保卫;防守;辩解13. 喷气式飞机14. n.助理;助手15. n.导弹16. n.领导;领导地位;领导才能17. vt.追溯;追踪;查出n.痕迹;遗迹;踪迹18. adj.优秀的;杰出的;明显的19. adj.有天赋的;有天才的;天资聪慧的20. adj.抽象的;理性的n.(文献等的)摘要21. _adj.稳定的;平稳的;稳步的22. n.概念;观念23. n.天文学家24.n. n. 天文学25. n.望远镜26. prep.除……之外(还)adv.而且;此外 27. adj.聪颖的;绝妙的;明亮的 28. adv.此外;再者 29. n.弱点;过错 30. n.改变;转换;轮班 vi. &vt.转移;挪动;转向31. adj.生动的;鲜明的;丰富的 Ⅱ.短语互译1. break out 2. in charge of 3. come down 4. above all 5. apart from 6. 在……方面有天资7. 承担，接受(尤指艰巨工作或重大责任);呈现;雇用8. 对……有影响9. 被追溯到…… 10. 指出Ⅲ.单词拼写1. As we all know, the origin of the Spring Festival is too old to be (追溯).2. These green barriers not only change the look of Beijing but also (保卫;防守)it against the desert.3. Her dad is musically (有天赋的;有天才的)，for he has been playing the guitar for over 20 years.4. (除……之外)knowing some Greek, she was fluent in Italian.5. Why should I say sorry when it's not m y(过错)?6.This (改变)alone will lead to the creation of 350 new jobs all in Michigan.7. Kalan called his (助理;助手)，Hashim，to take over while he went out.8. An oak tree (投射)its shadow over a tiny round pool, and it looked really beautiful.9.I liked facts, things that are concrete. I thought anything (抽象的)left too much room for argument.10. Tonight the moon is especially (明亮的)in the clear night sky.参考答案I.1. cast 2.shadow 3.rainbow 4.pour5. concrete 6. plasma 7.aerospace 8.patriotic9. mechanical10.mechanic 11.aviation12. defend 13.jet 14.assistant 15.missile16. leadership 17. trace 18. outstanding19. gifted 20.abstract 21.steady 22.concept23.astronomer24.astronomy 25. telescope26. besides 27. brilliant 28.furthermore29.fault 30. shift 31.vividⅡ.1.(战争、打斗等不愉快的事情)突然开始;爆发2.主管;掌管3.患(病);染上(小病)4.最重要的是;尤其是5.除……之外6. be gifted in7. take on8. have an impact on9. be traced back to10. point outIII.1. traced 2. defend 3.gifted 4.Besides5. fault 6. shift 7. assistant8.cast 9. abstract 10. brilliant课中学习区Enjoy a video:What can you see in the video?Free talkCan you tell us more amazing scientific phenomena? non-Newtonian fluid非牛顿流体distorting mirrors哈哈镜virtual tennis虚拟网球1.Look at the photos below,and discuss in groups what these activities have to do with science.What kind of place can it be in the pictures?It can be a science museum. What does it focus on? It focuses on letting visitors experience science through interactive learning exhibitions. What kinds of things can you do there?You can probably try different activities to learn about sound, light, reflection, and so on. For example, you can go to a room with many mirrors facing each other so it looks like there are many copies of you or you can play with a big piano on the floor.2.The photos above are related to the conversation you will hear.Using the photos,try to predict the answers to the following questions.Predict by using picturesOne way to get more out of your listening is to predict what you will hear.Using the pictures provided the knowledge you already have,you can guess the kinds of information you should listen for.At times,you may even be able to guess exactly what will be talked about.This will help you focus better when listening,making your listening more effective.Where are the people in the conversation going to go? A science museum.What kind of place is it,and what does it focus on? It is a science museum that focus on letting visitor experience science through interactive learning exhibitions.What kinds of things can you do there?You can probably try different activities to learn about sound,light,reflection,and so on.For example,you can go to a room with many mirrors facing each other so it looks like there are many copies of you or you can play with a big piano on the floor.Listen to the conversation and see if your answer for Activity2 are correct.Then write down the letters (A-E)for the photos in order that you heard them described.4.Listen again and complete the descriptions of the photos above.Picture A: A giant dish; when you speak into it, it _will reflect__________ the sound back and _ make it louder____________. You can use it to speak in a whisper to someone 17 metres away.Picture B: A giant __piano_____ that you can use your feet to play. Instead of playing the sounds of a piano, it plays the voices of_ classical singer__________.Picture C: You look at a blue screen for a while, and then suddenly you can see __ tiny bright lights_ moving around on it. These are our _ blood cells_.Picture D: A _mirror_______ where you can see yourself reflected thousands of times.Picture E: You stand in front of __a white light__________ , and it casts different shadows of you, in _ every color of____________ the rainbow.Listen again and complete the conversation.Bill:It all sounds so cool. I wish I could have gone with you.Judy:I know, but we can go together this weekend. I'd love to go there again! Bill:That sounds like a great idea!DiscussionThe conversation is about the City of Science and Industry in Paris.Would you like to go to this museum?Why or why not?Free discussionAre there any museum like this in China?What other interesting museums are there?Free discussion5.In group,choose one of the museum activities on previous page or brainstorm another scientific research or experiment that you are interested in.Free discussion6.Make a short presentation to the class about your choice.Use the example and useful phrases below to help you.Example Today,I want to talk to you about a very strange phenomenon called a non-Newtonian fluid.You can make it easily using equal parts of water and cornflour,like I have here.A non-Newtonian fluid is strange because you an pour it like a liquid,but if you put any pressure on it,it suddenly becomes hard as concrete.In fact,it becomes hard enough to stand on.Then,as soon as you take the pressure off,it becomes a liquid again.This shows that it is possible that something can exist as a liquid and a solid at the same time.Talking about scientific phenomena... can/cannot exist in the form of a solid/gas and a liquid/plasma......is both a ...and a...at the same time... How light/sound is reflected...the existence of other... This occurs when.... If you...,it will become..That demonstrates... This experiment/research shows...Through this,we know that... We can prove that... This evidence proves...thunder 打雷Thunder is the sound made by lightning.Depending on the nature of the lightning and distance of the listener,it can range from a sharp,loud crack to a long,low rumble .The sudden increase in pressure and temperature from lightning produces rapid expansion of the air surrounding and within a bolt of lightning.In turn,this expansion of air creates a sonic shock wave which produces the sound of thunder. lightning 闪电Lightning is an atmospheric discharge of electricity,which typically occurs during thunderstorms,and sometimes during volcanic eruptions or dust storms.How lightning initially forms is still a matter of debate.Scientists have studied root causes ranging from atmospheric perturbations (wind,humidity,friction,and atmospheric pressure) to the impact of solar wind and accumulation of charged solar particles.Ice inside a cloud is thought to be a key element in lightning development,and may cause a forcible separation of positive and negative charges within the cloud,thus assisting in the formation of lightning.Show Time1.Discuss with your deskmate.2.Make a presentation on behalf of your group .Don’t be shy and have a try.3.Listen carefully while others is sharing knowledge.4.Choose the first three groups .