高一英语必修3Unit4a visit to the moon学案

A Guiding Plan for Learning and TeachingUnit 4 Astronomy: the science of the stars Period 4: Using languageReading: AVisittotheMoon 1. Learning and Teaching aims:Knowledge aims . Some words and expressions in the text. Ability aims: 1.To train reading comprehension ,writing ability and spoken English based on the topic .Emotion aims :to love science and inspire enthusiasm for learning English.2.The important and difficult points: Comprehending the whole passage to train reading comprehension and writing ability based on the topic.Step I. Revision.1. Words and expressions（预习检测）1)天文学家_ 2)大气层 _ 3) 氧气_ 4) 生存_ 5)万有引力_ 6)气候_ 7) 宇宙飞船 _8)减少_ 9)漂浮_ 10)耗尽_ 11). 有机会做某事 _ 12). 既然_ 13). 去旅行_ 14) 过了一会 _ 15).出发，起航 _ 16). 熟悉，掌握，理解_ 17). 靠近，接近 _18). 玩的开心_19). 高兴，振奋起来 _ 20). 爆发_2.Language points. 1). 月球引力没有地球那么强烈,所以食物会漂浮。The gravity of the moon is not_ _ the earths, so the food will_ around.2).倍数的四种表达方式_ _ _ _ Step II Pre-reading. (Leading in)Part1. Ask some questions1) Doyouwanttovisitthemoon?_2) Do you know whowas the first person that stepped onto the moon?_3) Lets see who know more about the astronomy._Part 2: True or False 1. The earth moves around the sun. ( )2. It takes the moon one day to move around the earth for a round. ( )3. Earth is the only planet moving around the sun. ( )4. There is atmosphere on the moon. ( )5. There is no gravity on the moon. ( )Part 3: What will you need if you have a chance to visit the moon? Last month an astronomer, Li Yanping visited the moon with his friend. Step III Skim the text 1.Match each paragraph with the relative topic （自主学习）Para 1 The things I did on the moon.Para2 We turned back to the earth. Para3 Last month, we visited the moonPara4 How the force of gravity changed when we traveled from the earth to the moon.2. Choices: Choose the best answer. 1). How many times would the gravity change during their journey? ( ) A. Twice B. Three times C. Four times D. Once2). Why was the spaceship not falling back to the earth? ( )A. Because it was too far from the earth to feel its pull. B. Because it was too big C. Because it was far from the moon.D. Not mentioned in the text.3).Which one is NOT true according to the passage? ( )A. The moons gravity is not as strong as the earthsB. We enjoyed ourselves on the moon. C. Walking on the moon was nt easyD. Leaving the moons gravity was more painful than leaving the earths3.Scanning (detail reading) Read the text carefully and fill in the blanks.（合作交流）The change of gravity On the moon disappearingGravity in space strong On the earth very lightThe timeThe gravity changedLeft the earthThe pull of gravity became very s In spaceThe gravity d and we floated w On the moonThe gravity became very l The change of my weight On the moon heavyWeight in space weightless On the earth weigh less (one -sixth)4.Further Reading（成果展示）1. Who do I travel to the moon with ? _2. How did we travel to the moon? _3.What happened to me when I tried to step forward? I _4.Why was returning to the earth very frightening?_5.How did I feel?_ Step IIII.Consolidation (Fill in the blanks. And retell the visit to the moon based on the passage.).(检测巩固)Last month I visited the moon with my friends. Before we left, I was told the force of g_ would change three times on our journey. Then we were off. As the rocket into the air, we were p_ back into our seats . Gradually the weight l_. When I was in space, it d_. We f_ weightlessly in the cabin and I c_ _ . When I was on the moon. I was surprised to find out even walking needs lots of practice n_ _ gravity changed . The returning to the earth was very f_. We were amazed to watch fire b_ _on the outside of the ship.Step V Summary1.What is the writing form ?A.biography (传记) B Travel journal (旅行日记) C. essay（散文）2.What is the writing order of the text ?Time order ; _ _Before leaving, _ _While visiting _ _After visiting the moon, _Step V Speaking and writing（强化提升）space travel出发4月1日早晨酒泉卫星发射中心 Jiuquan Satellite Launch Center 乘宇宙飞船观光期间在太空舱里飘来飘去宇航员带领我们参观了太阳系的各大行星月球上漫步但摔倒三天后返回感受(四月一日)_ we had a chance to (去旅行)_ into space. In the early morning, we （出发)_from Jiuquan Satellite Launch Center （乘坐飞船）_ . (当到达时） _,we (漂浮）_ weightlessly around in our spaceship cabin. Then, theastronomer (领我们参观了）_ the solar system, where we saw many beautiful planets, including the Mars, the Earth and we all (感觉很激动） _. （此外）_, we also walked o