高一英语ModuleALessoninaLab学习.pptx

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1、Albert EinsteinAlbert EinsteinThomas EdisonThomas EdisonDarwin第1页/共119页Match physics physics chemistry chemistry biology biology Alfred Nobel Alfred Nobel Darwin Darwin Li Zhengdao Li ZhengdaoThomas EdisonThomas EdisonAlbert EinsteinAlbert Einstein Newton Newton Madam Curie Madam Curie第2页/共119页exist

2、 solid liquid metal expand contract mixture substance oxygen surfaceRead through the questions quickly and find out the answers to them.1.How does water exist?2.If you heat a metal,what change will happen?3.What is steel made from?4.What is the earths surface mainly covered by?5.How far is the sun f

3、rom the earth?6.How old is the earth?7.Which is larger,the earth or the moon?第3页/共119页 1.(a)Water exists as a solid,a liquid and a gas.1.(a)Water exists as a solid,a liquid and a gas.(b)Water exists as a solid and a liquid only.(b)Water exists as a solid and a liquid only.2.(a)When you heat a metal,

4、it expands.2.(a)When you heat a metal,it expands.(b)When you heat a metal,it contracts.(b)When you heat a metal,it contracts.3.(a)Steel is a mixture of iron and other substances.3.(a)Steel is a mixture of iron and other substances.(b)Steel is a mixture of iron and oxygen.(b)Steel is a mixture of iro

5、n and oxygen.4.(a)Two-thirds of the earth 4.(a)Two-thirds of the earths surface is water.s surface is water.(b)50%of the earth (b)50%of the earths surface is water.s surface is water.第4页/共119页 5.(a)The distance of the sun from the earth is 25 5.(a)The distance of the sun from the earth is 25 5.(a)Th

6、e distance of the sun from the earth is 25 5.(a)The distance of the sun from the earth is 25，500 500 500 500 kms.kms.kms.kms.(b)The distance of the sun from the earth is (b)The distance of the sun from the earth is (b)The distance of the sun from the earth is (b)The distance of the sun from the eart

7、h is 150 150 150 150，500500500500，500 kms.500 kms.500 kms.500 kms.6.(a)The earth is 4.6 million years old.6.(a)The earth is 4.6 million years old.6.(a)The earth is 4.6 million years old.6.(a)The earth is 4.6 million years old.(b)The earth is 4.6 billion years old.(b)The earth is 4.6 billion years ol

8、d.(b)The earth is 4.6 billion years old.(b)The earth is 4.6 billion years old.7.(a)The earth is twice as large as the moon.7.(a)The earth is twice as large as the moon.7.(a)The earth is twice as large as the moon.7.(a)The earth is twice as large as the moon.(b)The earth is forty-nine times larger th

9、an the (b)The earth is forty-nine times larger than the (b)The earth is forty-nine times larger than the (b)The earth is forty-nine times larger than the moon.moon.moon.moon.第5页/共119页Put these words in pairs or groups.air contract earth gas liquid oxygen moon solid sun expandair-gas-oxygenearth-sun-

10、mooncontract-expandgas-liquid-solid第6页/共119页 Which are man-made?Which are natural?Which are both?electricity iron metal steel air glasselectricity electricity iron air iron air some metalsome metalsteel glass steel glass some metalsome metalElectricity and some Electricity and some metals(alloys for

11、 metals(alloys for example)can be man-made example)can be man-made and occur naturallyand occur naturally第7页/共119页Suggested answersSuggested answers1.electricity,iron,some metals and air 2.steel,some metals and glass3.electricity and some metals 第8页/共119页ReadingReading 2 21 201 2,001 20,001 200,001

12、2,000,001 twotwo twenty-one twenty-one two hundred and one two hundred and one two thousand and one two thousand and one twenty thousand and one twenty thousand and one two hundred thousand and two hundred thousand and oneone two million and one two million and one第9页/共119页ReadingReading 7171 29 29

13、9,600,000 9,600,000 1,951,000,01,951,000,000 00 1/10 1/10 1/4 1/4 1.4 1.4 306.7 306.7 seventy-one percent seventy-one percent twenty-nine percent twenty-nine percent nine million,six hundred nine million,six hundred thousandthousand one billion,nine hundred and one billion,nine hundred and fifty-one

14、 million fifty-one million one-tenth one-tenth a quarter(one-fourth)a quarter(one-fourth)one point four one point four three hundred and six point three hundred and six point sevenseven第10页/共119页分数的读法分数的读法 分子读基数词，分母读序数词；分子大于1序数词要用复数：1/4 one-fourth 2/3 two-thirds 2 2 2 2 two and three-fifths 另外还有下面一些

15、表示法：1/2 a/one half 1/4 a/one quarter 3/4 three quarters 2 two and a quarter 1 one and a half351 14 41 12 2第11页/共119页a halfa halfa thirda thirdtwo-thirdstwo-thirdsa quartera quarter1/21/21/31/32/32/31/41/4分数的读法分数的读法第12页/共119页three quartersthree quarters four-fifthsfour-fifthsone-tenthone-tenthfive-tw

16、elfthsfive-twelfths3/43/44/54/51/101/105/125/12分数的读法分数的读法第13页/共119页Bunsen burnerBunsen burnerDiscussionDiscussion We use a Bunsen burner to heat things when we do an experiment.第14页/共119页WhatWhats the correct s the correct order to describe the order to describe the stages of a scientific stages of

17、a scientific experiment?experiment?conclusion conclusion aim aim result result method method The correct order:The correct order:aimaimmethodmethodresultresult conclusionconclusionstages stages 第15页/共119页The best titleThe best title The different uses of metalsThe different uses of metals The reacti

18、on of metals The reaction of metals The reaction to metals with oxygen The reaction to metals with oxygen 第16页/共119页Passage A:Vocabulary:1.conclusion n 结论 conclued vt 2.react with react to eg:Plants react to light.3.aim vi eg:I aim to go.我打算去。4.put in order 按顺序排列 out of order in good order keep orde

19、r第17页/共119页5.at the topat the bottom e.g.:at the top of hill at the bottom of hill6.for example&such as for example列举说明，往往用逗号隔开 such as 后接名词词组 e.g.:For example,Jone has the same opinion.:I like drink such as tea and soda.第18页/共119页 Metal Potassium 钾 Sodium 钠 Calcium 钙 Magnesium 镁 Aluminum 铅 Zine 锌 I

20、ron 铁 Copper 铜Heated in oxygen?第19页/共119页Decide whether these statements are true or false according to Passage A.1.Different metals have different uses.2.The reaction of metals with different substances is the same.3.Magnesium can form an oxide when heated in oxygen.4.Iron reacts with cold water.5.

21、Copper reacts most when heated in oxygen.TFTFF第20页/共119页chemistry laboratorieschemistry laboratories 第21页/共119页test tubestest tubeschemical instrumentschemical instruments第22页/共119页Bunsen burnersBunsen burnerschemical chemical instrumentsinstruments 第23页/共119页beakersbeakerschemical instrumentschemic

22、al instruments第24页/共119页chemical chemical instrumentsinstruments flasksflasks第25页/共119页measuring glassesmeasuring glasseschemical instrumentschemical instruments第26页/共119页Questions:Questions:1.Which of the metals in the tube reacts most with oxygen and water?-Potassium,calcium,sodium.2.What happens

23、when you heat calcium in oxygen?-It burns to form an oxide.3.Which metals react with steam?-Magnesium,aluminium and zinc.4.Does iron have a slow or fast reaction with steam?-It has a slow reaction.5.Does copper react with water?-No,it doesnt.第27页/共119页Passage BA simple science experimentLet me show

24、a simple science experiment.It shows us how iron reacts with air and with water.第28页/共119页Vocabulary:1.find&find out&look out 寻找 发现e.g.:I have found the best way to give advice to your children is to find out what they want and then advise them to do it.我发现给孩子提建议的最好的办法是先弄明白他们想做什么，然后在建议他们去做什么。find:一种

25、客观结果。find out:实指主观有意识的动作（找出，查明）通常是抽象的事因。look out:（寻找）的通常是具体事物第29页/共119页e.g.:我找到了他正在找的书。2.keep out ofe.g.:keep the cold out of the room.keepfrom 阻止干 keep away(from)不接近 keep back 阻止 抑制 keep up 保持 继续 keep up with 跟上 I found the book he was looking for.第30页/共119页3.air-free 无空气的 free:adj 无的 免除的 tax-free

26、trouble-free 4.fillwith e.g.:Fill the glass with water.The glass is full of/filled with water.fill&fullfull是形容词；fill是动词。full，fill二者均与“满”有关。full是形容词，意思是“满的”，与of组成be full of短语。fill做动词，意思是“装满”，与with组成be filled with,表示“用把装满”。第31页/共119页Let us act第32页/共119页 complete the sentences:1.In the first part of th

27、e experiment,the_is dry,not wet.2.It shows that iron_when the air is dry.3.In the second part of the experiment,you must_the water to make sure there is no_ in it.4.You add_to the water because this keeps_out of it.5.It shows that_ does not rust in the water that has no _in it.第33页/共119页Words:check

28、you understand what they mean react steam substance test tube oil Bunsen burner boil add equipment salt heat science experiment float form v dissolve rust第34页/共119页Look at the decimal below we write we say 0.5 point five 2.5 two point five 18.27 eighteen point two seven第35页/共119页 thinkHow to say？1 1

29、/2 hours 一个半小时（读作 one and a half hours）2 3/4 meters 二又四分之三米（读作two and three-fourths meters）4/5 meter 五分之四米 5/6 inch 六分之五英寸 第36页/共119页 When do you use them?Look at the book Pictures:(another)第37页/共119页Find some students summary the passage B Give us the conclusion of the scientific experiment.第38页/共1

30、19页Exercises:1.You should _ yourself out of their quarrels.A,prevent B,keep C,put D,take 2.Many great men have risen from poverty-Lincon,_?A,such as B,for example C,that is D,besides第39页/共119页 3.If you talk to these senior students,you will find that they have much great knowledge than commonly_?A,s

31、upposing B,supposed C,to suppose D,suppose 4.The total cost of their trip to Canada_$5,000.A,added up to B,added up C,added to D,was added up to第40页/共119页a tablea table cottoncottonwoolwoolwatewaterwatewaterwatewaternailnailIron does notIron does notrust.rust.Iron does notIron does notrust.rust.Iron

32、 Iron rusts.rusts.第41页/共119页Please read Passage B quickly to find out the answers to the questions.1.What is there on the surface of the water in the test tube?2.What is the use of the oil?3.What is the use of the cotton wool in the test tube?4.Why are the nails in the test tube with ordinary water

33、rusty?Thereisoilonthesurfaceofthewaterinthistesttube.Theoilcankeepairoutofwater.Thecottonwoolcankeepairdry.Ironreactswithwaterandformsrust.第42页/共119页Read Passage B again and complete the sentences.In the first part of the experiment,the_is dry,not wet.It shows that iron_when the air is dry.In the se

34、cond part of the experiment,you must_the water to make sure there is no_in it.You add_to the water because this keeps_out of it.It shows that_does not rust in water that has no_in it.airdoes not rustboilairsome oilairairnail第43页/共119页PhrasesPhrases1.1.react with sthreact with sth 与发生反应 e.g.Does iron

35、 react with oxygen?Copper doesnt react with water.have a reaction with sthhave a reaction with sth 与有反应 e.g.Iron has a reaction with water.react to sthreact to sth 对产生反应 e.g.The eye,as well as we know,reacts to light.react on/upon sth/sbreact on/upon sth/sb 对给予反应，起作用 e.g.It is a fact that cheers rea

36、ct on a singer.react against sb/sthreact against sb/sth 抗拒，反抗 e.g.The people went on strike to react against the tax system.第44页/共119页2.put2.putin orderin order 把有序排列；整理 e.g.She quickly put all the things in the room in order.It is a good habit to put everything in order.in orderin order 井然有序的 out o

37、f orderout of order 杂乱无章的3.Leave the tube for one week.3.Leave the tube for one week.把试管放置一星期。句中的leave 意思是放置，不去动，使处于某种状态 e.g.Leave the watch where it is.The teacher always leaves the students who are late for class out of the classroom.Who left the light on?PhrasesPhrases第45页/共119页4.add4.addtoto 把 和

38、 加起来 e.g.Please add some salt to the dish.Add some words to the picture.add to sthadd to sth 增加，增添 add up sthadd up sth 把加起来 add up toadd up to 加起来达，共计，合计5.keep 5.keep out of out of 不接近，使不进入 e.g.Close the door and keep cold air out of the room.There are still a few doctors to keep the patients with

39、heavy diseases out of the hospitals.keep out sthkeep out sth 使 不得入内 keep offkeep off 远离 keepkeepfromfrom 阻止 做某事 keep backkeep back 阻止 keep upkeep up 继续下去，保持 keep up withkeep up with 赶上PhrasesPhrases第46页/共119页1.It is hard to think of a world without metals.1.It is hard to think of a world without met

40、als.很难想象一个没有金属的世界。2.It is important to know how they react with different 2.It is important to know how they react with different substances,substances,for example,water and oxygen.for example,water and oxygen.要了解金属和不同的物质，比如水和氧气如何发生反应，这一点是很重要的。3.This makes sure there is no air in the water3.This mak

41、es sure there is no air in the water.这确保了水中没有空气。这三个句子可分为两类句式:一类为:It be+adj+to do sthIt be+adj+to do sth.(it(it为形式主语，真正主语是不定式短语)一类为:Subject+predicate+object clauseSubject+predicate+object clause.e.g.Its hard to say which is better.Its important to learn English.Its easy to get on well with him.Make c

42、ertain that your facts are right.Father makes sure that all the lights are off before he goes to bed.We must make sure that he can come.第47页/共119页FindingFinding react steam substance test tube oil Bunsen burner boil add equipment salt heat(v)scientific experiment float form(v)dissolve rust 第48页/共119

43、页Bunsen burnerBunsen burnerDiscussionDiscussion We use a Bunsen burner to heat things when we do an experiment.第49页/共119页Test tubeTest tube We put things into We put things into a glass test tube to a glass test tube to mix them,or to keep mix them,or to keep them them.DiscussionDiscussion 第50页/共119

44、页DiscussionDiscussion balancebalance We use a We use a balance to weigh balance to weigh the things we use the things we use in an experiment.in an experiment.第51页/共119页crucibleDiscussionDiscussion A crucible is A crucible is a ceramic bowl a ceramic bowl which you use to which you use to heat thing

45、s to a heat things to a very high very high temperaturetemperature.第52页/共119页tongstongsDiscussionDiscussion We use tongs to We use tongs to keep up things keep up things which are you which are you hot or dangerous to hot or dangerous to pick up with hands.pick up with hands.第53页/共119页第54页/共119页第55页

46、/共119页 The earth is The earth is largerlarger than the moon.than the moon.The earth is forty-nine times The earth is forty-nine times largerlarger than the moon.than the moon.The earth is forty-nine times The earth is forty-nine times as large asas large as the moon.the moon.The earth is forty-nine

47、times The earth is forty-nine times the size ofthe size of the moon.the moon.第56页/共119页倍数倍数倍数倍数(half,twice,(half,twice,(half,twice,(half,twice,three times three times three times three times）+as+as+as+as+adj/adv adj/adv 原级原级原级原级 +as+as+as+asadj/adv adj/adv 比较级比较级 +than+thanthe size(age,height,length

48、,the size(age,height,length,weight,width,depth weight,width,depth)+of)+of第57页/共119页Questions:Questions:1.What 1.Whats wrong with this sentence?s wrong with this sentence?I went there I went there I went there I went there 2.If object A is 10 metres long,and object B is twice as 2.If object A is 10 m

49、etres long,and object B is twice as long as A,how long is object B?long as A,how long is object B?20 metres.20 metres.3.If object A weighs 100 kilogrames,and object B is 3.If object A weighs 100 kilogrames,and object B is four times heavier,how heavy is object B?four times heavier,how heavy is objec

50、t B?400 kilogrammes 400 kilogrammestwo two times.times.twice.twice.第58页/共119页The boy Linhao weighs about 35 kilograms,The boy Linhao weighs about 35 kilograms,and Yaoming is four times heavier than and Yaoming is four times heavier than the boy,how heavy is Yaoming?the boy,how heavy is Yaoming?140 k