Unit 3 The world of science Vocabulary & Listening and speaking 课件-2022-2023学年高中英语外研版（2019）必修第三册

careers in science Look at the pictures and think： What comes to your mind when we talk about these careers? e.g. physicist: physics, the root or ultimate causes of phenomena mathematician： mathematics, data, number, caculations chemist: chemistry, study the composition of matter, chemical reation astronomer: astronnomy, stars, planets, natural objects in space geographer: geography, field research biologist: biology, living organisms, Earth’s natural environment 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 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. What famous scientists can you name in these fields? Albert Einstein Zu Chongzhi Mendel 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. e.g. history—historian, library—librarian music—musician, art—artist, Complete the introductions using ”physicist, mathematician, chemist, astronomer, geographer, biologist”. Underline the hints that help you complete the introductions. 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