Unit 1 Using Language Listening and Speaking （ppt课件）-2022新人教版（2019）《高中英语》选择性必修第二册.pptx

1、UNIT 1 Science and scientistsUsing Language listening and speaking Talk about scientific experiences uTo listen to a conversation about the scientific experience.uTo make a correct prediction according to the pictures.uTo talk about a scientific experience or a scientific phenomenon in daily life.uT

2、o be more interested in science.lead-inlead-in1 1pre-listeningpre-listening2 2while-listeningwhile-listening3 3post-listeningpost-listening4 4contentcontentPart1 Lead inPart1 Lead inHave you ever been to a science museum?What can you see and what can you do in a science museum?Part1 Lead inPart1 Lea

3、d inWhat can you see and what can you do in a science musem?see exhibitions(展览）learn about scientific konwledge/inventionsdo scientific experimentsPart2 pre-listening Part2 pre-listening Look at the photos below,and discuss in groups what these activities have to do with science.Part2 pre-listening

4、Part2 pre-listening a giant dish whisperspeak in a whisper(轻声)I think the dish in this exhibition is related to sound.Maybe the boy is whispering into the smaller circle and the dish can make his voice louder.SoundPart2 pre-listening Part2 pre-listening a piano keyboard play with feetThis looks like

5、 a piano you play with your feet.Maybe it shows how sound works.SoundPart2 pre-listening Part2 pre-listening blue screen bright lights Im not sure what this one shows,but it must be about light or eyesight.LightPart2 pre-listening Part2 pre-listening a hall of mirrors reflectl It is a hall of mirror

6、s.Maybe it has to do with the principles of reflection.LightPart2 pre-listening Part2 pre-listening a white light cast shadows in the colour of the rainbowThis is probably an experiment involving the composition of light.LightPart2 pre-listening Part2 pre-listening Lets learn some new words and phra

7、ses before listening.cast /kst/v.reflect /rflekt/v.whisper /wsp(r)/v./n.exhibition/eksb()n/n.shadow/d/n.rainbow/renb/n.move around blood cells cast/throw a shadow 投射；向投以(视线、笑容等)；投掷反射(声、光、热等)；反映(影像)耳语；低语；私语；小声说展览，展出阴影，影子，背光处彩虹 四处走动血细胞投下影子P a r t 2 p r e-l i s t e n i n gP a r t 2 p r e-l i s t e n i

8、n g1.Where are the people in the conversation going to go?The photos above are related to the conversation you will hear.Using the photos,try to predict the answers to the following questions.2.What kind of place is it,and what does it focus on?A science museumA place for delight,education and inspi

9、ration.It focuses on letting visitors experience science.Interactive activities to experience sound,light,reflection and so on.3.What kinds of things can you do there?Part3 While-listeningPart3 While-listeningListen to the conversation and see if your answers for Activity 2 are correct.Then write do

10、wn the letters(A-E)for the photos in the order that you hear them described.1 _ 2 _ 3 _ 4 _ 5 _ DCEBAa giant dish whisperABCDEa piano keyboard a blue screen a hall of mirrors a white light cast shadowsPart3 While-listeningPart3 While-listeningListen again and complete the descriptions of the photos

11、above.PhotoA:A giant dish;when you speak into it,it _ the sound back and _ .You can use it to speak in a _ to someone 17 metres away.PhotoB:A giant that you can use your feet to play.Instead of playing the sounds of a piano,it plays the voices of _.PhotoC:You look at a blue screen for a while,and th

12、en suddenly you can see _ moving around on it.These are our _.PhotoD:A _ where you can see yourself reflected thousands of times.PhotoE:You stand in front of _,and it casts different shadows of you,in _ the rainbow.reflectsmakes it louderwhisperpiano keyboardclassical singerstiny bright lightsown bl

13、ood cellshall of mirrorsa white lightevery colour of54213listening materiallistening materialJudy:Oh,Im so sorry that you were ill and couldnt come with us on our field trip.How are you feeling now?Better?Bill:Much better,thanks.But how was it?Judy:Wonderful!I especially liked an area of the museum

14、called Light Games.it was really cool.They had a hall of mirrors where I could see myself reflected thousands of times!Bill:A hall of mirrors can be a lot of fun.What else did they have?Judy:Well,they had an experiment where we looked at a blue screen for a while,and then suddenly we could see tiny

15、bright lights moving around on it.Youll never guess what those bright lights were!Bill:Come on,tell me!listening materiallistening materialJudy:They were our own blood cells.For some reason,our eyes play tricks on us when we look at a blue screen,and we can see our own blood cells moving around like

16、 little lights!But there was another thing I liked better.I stood in front of a white light,and it cast different shadows of me in every color of the rainbow!Bill:Oh,I wish I had been there.Tell me more!Judy:Well,they had another area for sound.They had a giant piano keyboard that you could use your

17、 feet to play.But then,instead of playing the sounds of a piano,it played the voices of classical singers!Then they had a giant dish,and when you spoke into it,it reflected the sound back and made it louder.You could use it to speak in a whisper to someone 17 metres awaylistening materiallistening m

18、aterialBill:It all sounds so cool.I wish I could have gone with youJudy:I know,but we can go together this weekend.Id love to go there again!Bill:That sounds like a great idea!If you had a chance to go to a science museum,which activity would you like to see and why?Part4 Post-listeningPart4 Post-li

19、stening I would like to go to this museum to see the blue screen.I am curious to know what on earth is going on there and why I can see my blood cells moving around like tiny bright lights.I am sure it will be a lot of fun.Speaking Homework1.Search the internet to find some scientific researches or experiments that you are interested in and share with us tomorrow.2.完成卷行天下P7-8.