,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,Unit 4 Period one,Welcome,Unit 4 Period one,1,What subjects do you learn in school?,Art:,languages(Chinese/English/),history,politics,geography,art and music,Science:,mathematics,chemistry,physics,biology,information technology,What subjects do you learn in,2,Do you know any other subjects of science?,chemistry+biology=biochemistry,geology,medicine,geography+physics=geophysics,astronomy,Do you know any other subjects,3,Unit 4,Astronomy:,the science of the stars,Unit 4 Astronomy:,4,How much do you know about astronomy?,astronomy,It is,the study of objects in space,such as planets,stars,satellites,comets,“black holes”and galaxies.,How much do you know about ast,5,the sun and,the eight planets,The,solar,system,1 Mercury 水星,5 Jupiter 木星,4 Mars 火星,3 Earth 地球,2 Venus 金星,6 Saturn 土星,7 Uranus 天王星,8 Neptune 海王星,Pluto 冥王星,the sun and The solar system 1,6,Astronomy,astronomer,experts of astronomy,Do you know any famous astronomers with great contributions?,Astronomyastronomerexperts of,7,Aristotle,(384-322 BC),Famous Greek philosopher,educator as well as scientist,Metaphysics,（形而上学/宇宙哲学）：,bodies in space are material;the earth is the center of the universe,Aristotle(384-322 BC),8,Galileo(15641642),Italian astronomer,philosopher,physicist as well as mathematician,Invention of the telescope,Galileo(15641642),9,Copernicus(14731543),Polish astronomer,heliocentric theory(日心说):,sun is the center of the universe,Copernicus(14731543),10,Issac Newton:(16421727),British astronomer,philosopher,physicist as well as mathematician,Universal gravitation（万有引力）,Issac Newton:(16421727),11,Albert Einstein（1879-1955）,German American physicist and astronomer,Theory of Relativity(相对论),Albert Einstein（1879-1955）,12,Stephen Hawking（1942）,British physicist and astronomer,Theories of Black Holes,Stephen Hawking（1942）,13,What qualities do you think an astronomer should have?,Accuracy:being very careful,Hard-working,A wide range of knowledge,Curiosity,A logical approach,Skills in experimenting and concluding,Courage,What qualities do you think an,14,Astronomer astronaut,Astronomer astr,15,Listening on P62,Yang Liwei,became the first Chinese to go into space on Oct.15 2003.,Listening on P62Yang Liwei bec,16,Ex 1 Whats the main idea?,The main idea is the excitement of space travel and the qualifications and experience needed to become an astronaut.,Ex 1 Whats the main idea,17,Questions,Yang Liweis answers,When was the most,Exciting moment?,What surprised him?,What did he do?,When his spaceship lifted off the ground he knew he,was really on his way into,space.,The beauty of space.,He watched all his,instruments and stayed,calm.,QuestionsYang Liweis answer,18,Education,Training,Physical,qualities,Personal,qualities,Information on Yang Liwei,the astronaut,He got his degree.,He trained for ten years to,fly airplanes and then to,fly a spaceship.,Smaller than 170 cm;,less than 70 kg.,Calm,hard-working.,Education Training Physical,19,Fill in the blanks in the passage below,Well,I _ of it when I was,_,but I never thought my,_ would come _.,It all happened very _.,If there was an _ Id,_ to go to the moon one,day.,dreamed,young,wish,true,gradually,opportunity,love,Fill in the blanks in the pass,20,How far have human beings travel into space?,Several countries are involved in space travel with,satellites and spaceships,that have visited one of the planets(Mars:USA)and the Moon(USA).Only one country has sent astronauts to the Moon and returned them safely-the USA.,How far have human beings trav,21,Three countries have sent,astronauts,into space:Russia,USA and China.,The Russian astronauts have traveled round the earth and lived in a space station.,The American astronauts have traveled,round the earth,lived in a space station,and landed on the Moon.,The Chinese astronauts have traveled,round the earth.,Three countries have sent astr,22,Why is it so difficult for human beings to travel in space?,Why is it so difficult for hum,23,Homework,Preview:Reading,Victor English,Homework Preview:Reading,24,