云南省弥勒县庆来中学高中英语 Unit 1 Great scientists Period优秀教案1 新人教版必修5.doc

unit 1great scientistsbrief statements based on this unitthis unit centers on great scientists, including some scientists both at home and abroad like john snow and copernicus.the students should be encouraged to practise talking about these scientists.the whole unit can be divided into seven parts: warming up, reading, listening and speaking, language focusing, reading and writing, grammar, and assessment.in warming up, there is a quiz for the students to do, which will arouse the students interest in knowing about the famous scientists and help the students to know science is very important in our daily life.group discussion and brainstorming will be used in this period to help the students to communicate with each other using their previous knowledge.in the reading passage, the students will learn about john snow, who defeats“king cholera”, and get a general idea about how to examine a new scientific idea.this will help the students to form their own attitude towards science.in learning about language, the students are encouraged to learn the following words and expressions: engine, characteristic, radium, theory, scientific, examine, conclude, analyze repeat, defeat, attend, expose, cure, control, absorb, severe, valuable, blame, immediately, handle, announce, instruct, virus, construction, contribute, positive, movement, backward, complete, enthusiastic, spin, reject, view, steam engine, put forward, draw a conclusion, in addition, link.to., be strict with, lead to, make sense, point of view.while practising using the language, the students will learn about copernicus revolutionary theory, and their skills of reading, speaking and writing will be improved.in listening and speaking, more chances will be given to the students to learn about other scientists and their spirit.the students are encouraged to make up their mind to make contributions to science.the students will be asked to write a letter to copernicus on the basis of the understanding of the text.the letters are sure to be full of imagination and creativity.assessment will help the students to look back what they have learned and focus on the difficult and important points.so, this unit will be divided into seven periods as follows: period 1welcome to the unit period 2readingperiod 3listening and speakingperiod 4reading and writingperiod 5 grammarperiod 6language focusingperiod 7assessment knowledge aims: key words in this unit: engine, characteristic, radium, theory, scientific, examine, conclude, analyze, repeat, defeat, attend, expose, cure, control, absorb, severe, valuable, blame, immediately, handle, announce, instruct, virus, construction, contribute, positive, movement, backward, complete, enthusiastic, spin, reject, view.key phrases in this unit: put forward, know about, look into, in addition, prevent sth.from doing, lead to, make sense, punish sb.for, suggest doing sth.steam engine, draw a conclusion, link.to., be strict with, lead to, point of view.key sentence patterns: 1 but he became inspired when he thought about helping ordinary people exposed to cholera.2 he got interested in two theories explaining how cholera killed people.3 only if you put the sun there did the movements of the other planets in the sky make sense.grammar in this unit: past participle used as attribute and predicativeability aims: 1.to talk about great scientists and their great achievements.2.to guess what will be talked about in the listening materials.3.to improve their reading skills.4.to learn to use past participle as attribute and predicative.emotion aims: to encourage the students to learn about some great scientists and their great achievements and how science helps to improve our society and change our life.meanwhile, inspire the students to learn from the scientists and form their positive attitude towards science.period 1welcome to the unitthe general idea of this periodthe unit centers on“great scientists”.this is the first period of this unit.during this period, the students should be encouraged to give their previous knowledge of some of the famous scientists, participate in the activities in class and try to get more information from the discussion.they will take part in different forms of activities, including pair work, group work, competition, and quiz.group competition will be carried out all through the class.words and expressions in this unit will help the students to talk about the topic“great scientists”.so at the beginning of this period, the teacher should spend some time training the students to read them and help the students pronounce them correctly.the students are encouraged to learn the new words in groups by themselves, using dictionaries and other reference books.then more time should be given to the students to get familiar with the words and expressions.lastly, several sentences will be given to the students to help them to know how to use some of the phrases.this unit is about“great scientists”, so from the very beginning, the teacher can encourage the students talk about their dreams in the future.then the teacher can let the students brainstorm something about great scientists.the students are free to say anything that they know.the students will be quite interested in this topic.this activity gives the students a chance to express their feelings about their favorite scientist.at the same time, this activity can stir the students enthusiasm in science.then the teacher can have the students match the famous scientists with their discoveries, inventions or theories, making sure that they have some common sense about some world-famous scientists.later the students will be divided into several groups, describe one of the great scientists and let other students guess who he or she is talking about.in this way, the students should learn to organize their own sentences and express their ideas clearly.after that, the students will feel comfortable to do the quiz in the text.the students should be encouraged to give more information about these ten scientists.meanwhile, the students interest in scientists and science should be cultivated.so two topic discussion questions, as well as the practice exercises are designed.the post-class activities are designed to arouse the students interest in science and encourage them to“diydo it yourself” in their daily life if they have some doubt in some areas.teaching important pointshave the students discuss great scientists.encourage the students to hold their views about their future career.understand and learn the following words and expressions: engine, characteristic, radium, theory, scientific, examine, conclude, analyse, repeat, defeat, attend, expose, cure, control, absorb, severe, valuable, blame, immediately, handle, announce, instruct, virus, construction, contribute, positive, movement, backward, complete, enthusiastic, spin, reject, view, steam engine, put forward, draw a conclusion, in addition, link.to., be strict with, lead to, make sense, point of view.teaching difficultieswhat can we learn from the scientists?what should we do in our daily life to develop our interest and love for science?teaching aidscai equipment with a multi-media classroom and other normal teaching tools.three dimensional teaching aimsknowledge aimslearn something about some famous scientists in the world.know about the outstanding discoveries, inventions and theories from some well-known scientists.try to understand and learn the important words and expressions.ability aimsdevelop the students ability of speaking.encourage the students to give more information about the great scientists.emotional aimsencourage the students to learn more about the great scientists and learn from them.help the students to form the good habit in learning and encourage the students to take part in social practice.help the students to realize that it is scientific spirit that makes those scientists successful.encourage the students to develop their love for science.teaching procedurestep 1 greetingteacher: hello, everyone.teacher: hello, mr./ms.step 2 lead int: im very glad to see you all here.after a long holiday, all of you look energetic and happy.i hope that we will work hard together happily all through the year.i do believe that a bright future is waiting for you.we are sure to realize our dreams in the near future.by the way, id like to know what you would like to be in the future.let me share your dreams.anyone who gives your idea will get a star for your group.ready?go!s: i admire yang liwei very much, who is a great honour to our motherland.id like to be an astronaut like him.t: yeah, the spacecraft, shenzhou v, orbited the earth 14 times in 21 hours, making china the third country to have successfully sent an astronaut into space.i hope you will realize your dream.s: i want to be a doctor.i hope ill be an outstanding one and be expert in finding cures for different kinds of cancers.t: thats a good idea.there are so many patients with cancers in the world, who are suffering a lot.thank you!s: i want to be an english teacher like you.for one thing, i like english very much; for another, you are not only strict with us but also patient with us.you are just our friends and maybe more than our friends sometimes.t: im really glad to hear that.its my great honor to be your friends and i like my job very much.s: id like to be an expert in environment.you see, with the development of industry, our globe is seriously polluted.dirty water, polluted air, and loud noise make our living conditions worse.i think we should leave a beautiful world to the next generation.t: yes, someone predicted that the last drop of water in the world would be the tear of human beings.i think all of us should pay attention to our environment, and make our contributions to improving the environment.s: im so interested in physics.and i have read stephen hawkings a brief history of time twice.i hope i will be a scientist like him.as we all know, the development of our society will go hand in hand with the development of science.t: yeah, i cant agree with you more.science plays an important part in the development of our society.there are so many examples in the history of human beings.ss: .t: im so glad to share your dreams.your ambition and careful thoughts really leave a good and amazing impression on me.i like them.in this unit, you will learn something about“great scientists”.maybe you will know what you need in your efforts to realize your dreams after we talk about some world-famous scientists.before we come to“warming up”, id like you to come to the new words in this unit, which will help you to learn this unit.step 3 word puzzlest: open your books and turn to page 92.lets read the words and expressions together.(let the students read the words and expressions together.help them pronounce the new words and expressions correctly.later give them some time to practise reading and remember some easy and important ones.give more help to those who are poor in pronunciation.)t: here are some definitions of some of the words from this unit.please work in pairs and match the words with their definitions.(group competition)wordsdefinitions or explanationsa.examine1.general principles of an art or scienceb.repeat2.say or do againc.theory3.at once; without delayd.immediately4.look at.carefully in order to learn about or from.e.complete5.of great value, worth or usef.valuable6.having all its parts; whole; finishedg.announce7.make knownh.e or bring to an endi.positive9.power to order or directj.conclude10.quite certain or suret: now, lets check the answers.a4, b2, c1, d3, e6, f5, g7, h9, i10, j8. you have done a good job.i will give you some more minutes to go over all the words and expressions and then fill in the blanks with proper forms of some of them from this unit.1.“all roads lead to rome, ”he encouraged me after i failed the entrance examination.2.this sentence doesnt make any sense.3.our english teacher is not only strict with us but also friendly to us.4.he is good-looking, apart from his nose.5.it is announced that the spacecraft, shenzhou , landed on the earth successfully.6.it is not tom but you who are to blame.7.in 1995, the chinese government put forward a plan for“rejuvenating the nation by relying on science and education”.and it has helped chinese scientists make many breakthroughs.8.have you drawn any conclusion after you read this passage?t: well done.so much for the learning of the new words and expressions.step 4 brainstormingt: now lets come to the title of this unit great scientists.when we talk about great scientists, what will come into your mind(s)?we will go on our competition.s1: madame curie, who got two nobel prizes, one for physics and the other for chemistry, is really outstanding among all the women scientists.s2: it reminds me of the great inventor named thomas alva edison and one of his famous sayings“genius is one percent inspiration and ninety-nine percent perspiration.”s3: yes, we lead a better life now with the help of science.without edison, maybe now we are still living in a dark world.they really make our life easier and more comfortable.s4: i also think of one of the quotes from albert einstein, “imagination is more important than knowledge.”s5: all the scientists are devoted to the career that they choose, and they set good examples to us in our work.s6: take all the scientists for example, if we want to be successful in the future, we should not only learn something from our textbooks, but also take part in social practice and get close to nature to learn more about it.s7: i like plants very much.i just think of the two key scientists in the field of botany, carl linnaeus and joseph banks.the former one laid the foundation for the classification of plants, while the latter one also made great contributions to the development and direction of botany.ss: .t: im glad to see that you have a great deal of previous knowledge of famous scientists in the world.step 5 previous knowledget: now lets match some of the great scientists with their famous discoveries, inventions or theories.let me see who is the quickest in mind and action and can get all the answers correct.famous scientistsdiscoveries/inventions/theoriesa.isaac newton1.evolution (进化论)b.charles darwin2.discovery of radium（镭）c.madame curie3.newtons lawd.albert einstein4.electric bulbe.thomas alva edison5.theory of relativityf.nicolaus copernicus6.seismographg.stephen hawking7.a brief history of timeh.zhang heng8.the earth moves around the sun.(check the answers with all the students: a3, b1, c2, d5, e4, f8, g7, h6.)t: since you have a better understanding of some of the great scientists, lets play a game. please work in groups and describe one of the great scientists, and then let other students guess who you are talking about.group 1: in the eighteenth century, there lived a great scientist who conducted a number of experiments in which he showed what electricity is.once he did a famous kite experiment on a stormy day, and proved that lightening and electricity are the same thing.s: benjamin franklin.group 2: it is said that this english gentleman was sitting in his garden one day when suddenly he was hit by a falling apple.the story is probably not true, but this man did mention that he got one of his best-known ideas while watching apples fall from a tree.his name makes you think that he was not too interested in old things.he discovered the force of gravity, and he drew up a system of how objects move.his laws for motion are still used in physics today, at least in schools and universities.s: sir issac newton.group 3: food is what sets this great mind on fire.rice, to be exact.this great mind has spent most of his life looking for ways to help farmers grow more rice so that all of us will have enough food to eat.he is known as the father of modern rice, but because of his long friendship with all the farmers in china, he would rather be known as“the farmer”.s: yuan longping.group 4: he was born on 8 january 1942 in oxford, england.he has worked on the basic laws which govern the universe.he showed that einsteins general theory of relativity implied space and time would have a beginning in the big bang and an end in black holes.he has three popular books published: his best seller a brief history of time, black holes and baby universes and other essays and most recently in 2001, the universe in a nutshell.s: stephen hawking.ss: .t: well done.step 6 quizt: you have already known some information about some of the great scientists.now lets do a quiz, trying to find out who these scientists are.quiz questions1.which scientist discovered that objects in water are lifted up by a force that helps them float?2.who wrote a book explaining how animals and plants developed as the environment changed?3.who invented the first steam engine?4.who used peas to show how physical characteristics are passed form parents to their children?5.who discovered radium?6.who invented the way of giving electricity to everybody in large cities?7.who was the painter that studied dead bodies to improve his painting of people?8.who invented a lamp to keep miners safe underground?9.who invented the earliest instrument to tell people where earthquakes happened?10.who put forward a theory about black holes?check the answers with the students.1.archimedes2.charles darw