Unit 4 Astronomy: the science of the starsUsing Language1. Discuss the three ways in which gravity changed on the moon and some information about black holes.2. Listen to the material about the detailed information about different scientists and their ideas.3. Help students learn how to write a passage.1. Do you want to visit the moon? Brainstorming the photo from the moonWhich country first sent people up to space?1A. The USA B. The Soviet Union C. China23Who is the first man landing on the moon? Who is the first Chinese astronaut to go into space?Yang Liwei Armstrong (America, 1969)2. Do the following quiz:China’s first astronaut —Yang LiweiSpace buggy 登月车1. The type of this test. na2.Who do I have a chance to travel to the moon with ?3. How did we travel to the moon?4. What’s the writing order in this text?5. How many times would the force of gravity change on our journey? Which change would be the most powerful?Li Yanping , an astronomerby spaceshipThree times , the first timein time orderTask one: scanning1.Leaving for the moonPlease read Para.2 and find the change of the gravity and our weight during the journey.Task Two: Careful reading(1)The change of gravityon the moonin spacegravityvery lightdisappearingstrongon the earth(2)The change of my weightweighton the moonin spaceon the earthone-sixthheavyno weight2.Walking 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.3.Returning 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 ex...
