人教版高中英语必修三 Unit4 Astronomy the science of the stars Using language 课件 （共19张PPT）

课件19张PPT。a visit to the moonReading 2Do you want to visit the moon?July 20th
1969Warming up----Brainstorming (2m)The photo from the moonChina’s first astronaut--------Yang LiweiWrite down the three ways in which gravity
changed for Li Yanping.Reading I----scanning& skimming (2m)3. It became very light.The gravity became very strong.2. The gravity disappeared. His weights changed three times too.
Now write them down.He 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. What’s 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 time自主学习Careful readingLeaving for the moon自主学习Please read Para.2 and underline the sentences about the gravity and our weight during the journey?
Careful reading自主学习The change of gravityon the moonin spacegravityvery lightdisappearingstrongon the earth合作探究Careful 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.合作探究Careful readingReturning to the earthBecause fire broke out on the outside of the spaceship as the earth’s gravity increased.1.Why was returning to the earth very frightening?2.How did I feel?I was very exhausted but very excited too.合作探究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 four
Spokesman
Time limit :2min合作探究What is the writing form ? story B. Travel journal
C. essay D. biographyWhat is the writing order of the text ?Time order (structure)beforewhileafter合作探究Time order Before going While visiting After visitingwhenwherewhowhat how合作探究