(
课件网) Unit 3 The world of science Listening and Speaking Understand the main idea of listening materials. Gather specific details to complete the notes. Explore general topics related to inventions in daily life. Learning objectives Look at the pictures and answer the questions. 1. What do you know about these careers 2. What famous scientists can you name in these fields 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. Homework An astronomer is a scientist 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. Famous scientists in these fields Albert Einstein Zu Chongzhi Kopernik Noun. -ist Noun. -ian science scientist art novel piano society artist novelist pianist socialist library comedy physic history music librarian comedian musician physician historian Learning to learn Words about different careers in science can be formed by adding -er, -ist or -ian at the end of the words about subjects, eg biology - biologist. Complete the introductions about different scientists with the words in Activity 4. Pay attention to the language that describes their careers. astronomer Guo Shoujing (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 planet 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 understand- ing of the relationship between humans and nature. biologist Li Daoyuan (CA 466-527) 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 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. physicist chemist Chen Jingrun (1933-1996) was one of the world’s leading 6 _____. His work on Chen’s Theorem made an important advance towards proving Goldbach’s Conjecture, the greatest unsolved problem in number theory. mathematician Think about other careers in science and discuss what interests you most. I'm interested in the work of a(n)... because... P40 6 Work in pairs. ◆geologist (地质学家) ◆data a ... ...
