人教新课标必修三Unit4AstronomyUsinglanguage.pptx

Do you want to visit the moon?Warming up-Brainstorming(2m)The photo from the moonChinas first astronaut-Yang LiweiWrite down the three ways in which gravity changed for Li Yanping.Reading I-scanning&skimming(2m)The way gravity changedLeft the earthIn spaceOn the moon3.It became very light.1.The gravity became very strong.2.The gravity disappeared.His weights changed three times too.Now write them down.The weight changedLeft the earthIn spaceOn the moonHe became very heavy.He had no weight and could float around like a feather.He was about one-sixth of his weight on the earth.Task 2.scanning1.Who do I have a chance to travel to the moon with?2.How did we travel to the moon?3.Whats the writing order in this text?4.How many times would the force of gravity change on our journey?Which change would be the most powerful?Li Yan Pin,an astronomerby spaceshipThree times,the first timeCareful readingLeaving for the moonPlease read Para.2 and underline the sentences about the gravity and our weight during the journey?Careful readingThe change of gravityon the moonin spacegravityvery lightdisappearingstrongon the earthCareful readingWalking on the moon What happened to me when I tried to step forward?Why?I was carried twice as far as on the earth and fell over.Because the gravity has changed.Careful readingReturning to the earthBecause fire broke out on the outside of the spaceship as the earths gravity increased.1.Why was returning to the earth very frightening?2.How did I feel?I was very exhausted but very excited too.DiscussionSupposing you were the first Chinese astronaut walking on the moon.What will you say to the world?(at least 2 sentences)In group of fourSpokesmanTime limit:2minWhat is the writing form?A.story B.Travel journal C.essay D.biographyWhat is the writing order of the text?Time order (structure)beforewhileafterTime order Before going While visiting After visitingwhenwherewhowhat how