1、Period 4 Vocabulary and listeningB3U3 The world of scienceLook at the pictures and answer the questions.(P39-4)1.What do you know about these careers?2.What famous scientists can you name in these fields?physicist mathematicianchemistastronomergeographerbiologistLook at the pictures and answer the q
2、uestions.(P39-4)A physicist is a person who does research connected with physics or who studies physics.A mathematician is a person who is trained in the study of numbers and calculations.A chemist is a person who does research connected with chemistry or who studies chemistry.An astronomer is a sci
3、entist who studies the stars,planets,and other natural objects in space.A geographer is a person who studies geography or is an expert in it.A biologist is a person who studies or works in the field of biology.Noun.-ist Noun.-ianWords about different careers in science can be formed by adding-er,-is
4、t or-ian at the end of the words about subjects,eg biology-biologist.sciencescientistartnovelpianosocietyartistnovelistpianistsocialistlibrarycomedyphysichistorymusiclibrariancomedianmusicianphysicianhistorianComplete the introductions about different scientists with the words in Activity 4.Pay atte
5、ntion to the language that describes their careers.(P40-5)astronomer(1231-1316)was a famous Chinese 1 _ of the Yuan Dynasty.He invented twelve new instruments to study stars and planets.He also developed a calendar which is as accurate as the Gregorian calendar.A mountain on the Moon and a minor pla
6、net are named after him.British 2 _ Charles Darwin(1809-1882)is best known for his work On the Origin of Species,in which he explains changes in species due to natural selection.His ideas deeply influence our understanding of the relationship between humans and nature.biologist Li Daoyuan(CA 466-527
7、)was a famous writer and 3_ of the Northern Wei Dynasty.He did field research across China and studied more than a thousand rivers and streams,along with the landscape,history and culture of the surrounding areas.geographer Marie Curie(1867-1934)was a world-famous 4 _ and was first awarded the Nobel
8、 Prize in 1903 for her extraordinary work on radioactivity.She was also regarded as a brilliant 5 _,and was again awarded the Nobel Prize in 1911 for the isolation of pure radium.physicistchemistChen Jingrun(1933-1996)was one of the worlds leading 6 _.His work on Chens Theorem made an important adva
9、nce towards proving Goldbachs Conjecture,the greatest unsolved problem in number theory.mathematician Work in pairs.Think about other careers in science and discuss what interests you most.1.What is Alzheimers disease?/ltsam/2.Who are the common Alzheimer patients?3.Is it curable?4.What are scientis
10、ts trying to deal with it?5.Do you know any inventions related to it?Watch a video to find out what is Alzheimers disease.If one of your close relative has the Alzheimers disease,what can you do to help him or her?Listen to the conversation and number the pictures with the correct order.(P41-7)1.Tak
11、e a look at the picture and predict what the listening material will tell.2.Listen to the TED talk and number the pictures in the correct order.3.Describe the process of the invention in your own words.1 2 3 4 5 Complete the notes with the information you got from the video.Now listen to the convers
12、ation and check your notes.(P41-8)stepped on the floor a pair of socks designed for people with Alzheimers diseasea student from New York His grandfatherA warning From Kenneths story as well as your own experience,what traits do you think successful inventors have?autious about potential needseady f
13、or challengesfficientble to tolerate failurealentednquisitive(好学的)igorous(energetic)ngrossed(absorbed)Exclamatory sentences express strong emotions,such as surprise,shock,joy,emphasis and excitement.These are usually formed with what or how,and in written form usually end with an exclamation mark.u Work in pairs.Act out the conversation about the invention of the telephone.Student A:Turn to Page 106.Student B:Turn to Page 110.
