uni4using language Reading.ppt

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1、人教版人教版 必修三必修三制作人制作人:榆林十中榆林十中 安安 娴娴Using LanguageReading ReadingA visit to the moon Leadin1.What is gravity2.Who first got the idea of gravity?1.What is gravity The pull of the earth is called gravity.Everything will fall back to the earth if it is dropped or thrown away.2.Who first got the idea of g

2、ravity?Isaac Newton 16421727 3.Are there any other scientists who made a great contribution to the idea of gravity?Albert Einstein(18791955)Stephen Hawking born in 1942 Isaac NewtonAlbert EinsteinStephen HawkingIdea Large bodies have a force which pulls things towards them.In space large objects mak

3、e space and time bend;the larger the object,the further space and time bend.Black holes have a very large mass and pull things towards them.Pre-readingWhat needs to be an astronaut?good health,excellent degree,many years training,right height and weight.(they also should be calm,firm,patient,mature,

4、and hardworkingspacewalkLook at the pictures!let the students listen to the recording of the text and write down three ways in which gravity changed for Li Yanping and how his weight changedListening and careful-readingdescribe the three ways in which gravity changed for Li Yanping and how his weigh

5、t changed1.The pull of gravity became very strong he left the earths atmosphere.His weight is normal.2.It disappeared when he was in space.He is weightless.3.It was very light when he was on the moon.He weighs less than on earth.Post-readingDiscussionIf you were going to the moon,what would you need

6、?Suggested List1.To protect your skin:a spacesuit that can supply you with warm water if its too cold on the moon and cool water if the temperature is too hot.2.To stop you flying off into space:a rope to tie you to the spaceship3.To stop your food floating away:Liquid（(液液体）体）space food that you can keep in a tube and eat with a straw.(吸管吸管)Activity Get students to make a dialogue,groups of four,and act it out.Topic:what will we need to protect our skin if we want to happy visit to the moon?Homework Write an article about your ideas of gravity and hopes for travelling in space.