新课标人教版原创ppt课件：Unit-4-Astronomy_-the-science-of-the-stars-Using-language---listening

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,*,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 Astronomy:the science of the stars,(using language)-listening,speaking&writing,Unit 4 Astronomy:the science,the natural force that causes an object to move toward the centre of the earth.,Gravity,Listening,the natural force that causes,Isaac Newton,Albert Einstein,Stephen Hawking,Scientists who studies gravity,Universal,Gravitation,万有引力,Relativity,(,相对论,),The Cosmos,(,宇宙,),The theory about black holes,(,黑洞理论,),Isaac NewtonAlbert EinsteinSte,1.The text is about how three scientists wanted to find out about the beginning of the universe.,2.The text is about how the idea of gravity has developed over a long period of time.,3.The text is about the importance of three scientists and their work.,Main idea,Listen to the tape and choose the best summary of the listening text.,They wanted to explain how the universe worked but not how it began.,Too general and does not give the detail about the listeing text.,1.The text is about how three,Idea,development,Isaac Newton,_ _,have a force which _ things _ them.,The bigger the object,the _ the gravity.,Albert Einstein,Large objects make _ and _ bend;the larger the object,the _ _ and _ bends.,Time goes slower in very _ _.,Stephen Hawking,Black holes have a very large _ that nothing can escape from its _.,If you _ _ the edge,you cannot get out;but if you do not,you may be able to _.,Listen,again and fill in the chart.,Large objects,pulls,towards,stronger,space,time,further space,time,strong,gravity,mass,gravity,cross over,escape,Idea developmentIsaac Newton_,Because of the existence of gravity,things near the earth will be drawn towards the earth centre.,things in outer space will lose weight and float in the air.,Speaking,Because of the existence of gr,So,life is different on a spaceship.There is little gravity so that things float around,If you planned to travel to the moon,what matters would you meet with?,Problems,How to cool you,How to breathe,how to eat and drink,How to protect your skin,How to stop flying off the moons surface,So,life is different on a spa,Spacesuits,Spacesuits,Space Food,Space Food,Space Buggy,登月车,Space Buggy登月车,Space Camera,Space Camera,You may think of many other problems one can meet with when travel to the moon.,Make a list of your ideas,and discuss the solutions to the problems.,指示（,Instructions,）,:,Please look at/listen to Please pay attention to Please check that Make sure you Dont forget to Watch out for You need Youd better You must/mustnt,The expressions you may use:,You may think of many other pr,Sample dialogue:,A:,I,m going to visit the moon.I,m leaving tomorrow.,B:,How exciting!Please check that you have got the correct sort of spacesuit.You need the kind that will keep you warm if it,s too cold.,Sample dialogue:A:Im going t,A:,Of course!,B:,Make sure you know all the safety rules.It,s not safe to stand on a comet or get too close.There is always a strong wind in space.,A:,I won,t leave the spaceship except that I take photos.,A:Of course!,B:,Photos?Just think of the dust in the air.It will make taking photos very difficult.,A:,Well,Ill take some anyway.,B:,Watch out for the space wind!It can be very dangerous.,A:,Yes,I know that.,B:Photos?Just think of the d,B:,Don,t forget to watch the time as you leave the earth.Please pay attention to everything your space guide says.Don,t go off on your own.Look at your temperature on your spacesuit all the time.If it,s too low you need to warm it up,B:Dont forget to watch the t,and if it,s too high you need to cool it down.Anyway,have a good trip!,A:,Thank you.I will.,and if its too high you,Writing,Write a short article explaining one of the problems you might have on the moon.,(focus on what you should do to overcome the difficulty and have a happy visit),1.Main idea:,Suggestions on your writing:,I try to solve the problems.,If I was lucky enough to have a chance to make a trip/travel to the moon,I might/may have some problems,3.Summing up:,2.Body:,How successful the holiday will be if I follow this advice.,Writing Write a short article,The end,Thanks for your concentration!,The endThanks for your concent,