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,2019/12/11,#,Unit 4 Astronomy:the science of the stars,reading,钟山县第二高级中学 兰 艾 班级：,1408,班,Unit 4 Astronomy:the science,1,There are eight planets circle around the sun in our solar system.What are they?,There are eight planets circle,2,Sun,太阳,Mercury,水星,Venus,金星,Earth,Mars,火星,Jupiter,木星,Saturn,土星,Uranus,天王星,Neptune,海王星,Sun太阳Mercury水星Venus金星EarthMar,3,Each religion and culture has its own ideas about how life began on earth.What do you know?,Discussion:,Each religion and culture has,4,In Chinese culture,Pangu separated the sky from the earth.,In Chinese culture,Pangu sepa,5,Nuwa made human beings.,Nuwa made human beings.,6,In western countries,God used 7 days to created the world and all living things.,In western countries,God used,7,First day:God created light,day and night.,Second day:air,water,morning and evening.,Third day:land,sea and kinds of plants.,Fourth day:sun,moon and all stars.,Fifth day:all kinds of animals.,Sixth day:human beings,Seventh day:have a rest.,First day:God created light,8,Do you want to know the fact?,The origin of life on earth is a question that interests astronomers.,Do you want to know the fact?T,9,Reading:How life began on the earth,Reading:How life began on the,10,Task 1 Fast Reading,Read the text and match each paragraph with its main idea.,A.How humans appeared and what effects they have caused to the earth.,B.Water is very important for life on the earth.,C.How the earth formed.,D.How the plants and animals on the earth developed.,E.It is widely accepted that the universe began with a“Big Bang”.,P1,P2,P3,P4,P5,Task 1 Fast ReadingRead the te,11,Task 2 Finish the following time table,So long ago,The universe began with a“Big Bang”,Between 4.5 to 3.8 billion years ago,The dust settled into a solid globe,Many millions of years later,Small plants began to appear on the surface,of the water,65 million years ago,The age of the dinosaurs ended,About 2.6 million years ago,Clever animals appeared,Task 2 Finish the following t,12,Task 3 Read the text again and put the order of development of life into a timeline,A.Insects and amphibians appeared.,B.dinosaurs appeared.,C.the earth became a solid ball.,D.Small plants grew on the water.,E.reptiles appeared.,F.plants began to grow on dry land.,G.The earth was a cloud of dust.,H.water appeared on the earth.,I.shellfish and other fish appeared.,J.The universe began with a“Big Bang”.,K.Clever animals with hands and feet appeared.,L.Mammals appeared.,1,2,3,4,5,6,7,8,9,10,11,12,Task 3 Read the text again and,13,Task 4 Work in pairs and think about the following questions.,Why was the earth different from the other planets?,Why did the plants grow before the animals came?,Why is it wrong to show films with dinosaurs and people together?,What problem is caused by human beings?,Task 4 Work in pairs and thin,14,1.Why was the earth different from the other planets?,Because the water remained on the earth.,2.Why did the plants grow before the animals came?,Because plants provide oxygen for animals to breathe.,1.Why was the earth different,15,3.Why is it wrong to show films with dinosaurs and people together?,Because dinosaurs died out long before human beings developed on the earth.,4.What problem is caused by human beings?,Human beings caused global warming.,3.Why is it wrong to show fil,16,Discussion:Earth is the only one planet that we human can live in.What can we do to protect the earth?,Discussion:Earth is the only,17,Homework:,Retell the text,and then write a summary(about 100 words)of the text in your own words.,Homework:Retell the text,an,18,Thank you for your listening!,Thank you for your listening!,19,