高中英語(yǔ) Module 5 A Lesson in a Lab Reading and vocabulary課件 外研必修1

1、What can you see?I can see a lab in the picture.What apparatus do we see in a lab?Where are they?What are they doing?balanceglass rodbeakerBunsen burnerTest tubeTest tube holder坩堝 crucibletongstest tube tongstest tube holder balanceBunsen burner beakercrucible glass rodDo you know how we can carry o

2、ut an experiment successfully?Its interesting to do an experiment. But weve got a lot of things to do before an experiment. First, we should be clear the aim of the experiment, the apparatus we need and how we can carry it out (we call it “method”).We watch whats happening and get the result. Lastly

3、 it is important to have a discussion on the result of the experiment. Dont forget to write down the conclusion.aimmethodresultconclusionPassage ARead through passage A in three minutes.electrical adj. 用電的，與電有關(guān)的用電的，與電有關(guān)的electricity n.電電equipment n.設(shè)備，裝備設(shè)備，裝備react vi. （化學(xué)）反應(yīng)（化學(xué)）反應(yīng)reaction n. 反應(yīng)反應(yīng)oxid

4、e n.氧化物氧化物Steam n. 蒸汽，蒸汽， 水氣水氣Potassiump1鉀 potassiump2Sodium鈉 sodium Aluminium鋁 aluminiumCalcium鈣 calciumMagnesium鎂 magnesiumZinc鋅粒 zincIron鐵 ironCopper銅 copperCan you remember them?Please match A with B.AMagnesium IronCalciumAluminiumCopperZincSodiumPotassiumBAlZnNaKFe Ca MgCu Which of the metals i

5、n the table reacts the most with oxygen and water? What happens when you heat calcium in oxygen? Potassium, calcium and sodiumIt burns to form an oxide.3. Which metals react with steam?4. Does iron have a slow or fast reaction with steam?5. Does copper react with water?Magnesium, aluminium and zincI

6、t has a slow reaction.No, it doesnt.scientific experimentapparatusespourconclusionreactsComplete the sentences:1.In the first part of the experiment, the _ is dry, not wet.2.It shows that iron_ when the air is dry.airdoes not rust3.In the second part of the experiment, you must_ the water to make su

7、re there is no _ in it.4.You add _ to the water because this keeps _out of it.boilairoilair5.it shows that _ does not rust in water that has no _in itnailairActivity 4: Reading (Passage B)Read the passage and complete the table.cottonwoolnailsIron does not rust.waterIron doesnot rust.waterwaterIron

8、rusts.1.When we use metals, it is important to know how they react with different substances, react with 意為“對(duì)起反應(yīng)”。An acid can react with a base to form a salt. 酸可以和堿起反應(yīng)而生成鹽。 Iron reacts with water and air to produce rust. 鐵與水和空氣起化學(xué)反應(yīng)而生銹。react to sb/sth 對(duì)作出反應(yīng)How did they react to your suggestion? 他們對(duì)

9、你的建議有什么反應(yīng)？ She reacted to the insult by turning her back on him 她受辱之后就不再理睬他了。react against sb/sth 反對(duì)，反抗react against the political system 反抗政治制度react on sth 對(duì)某事物有影響Applause reacts upon a speaker. 鼓掌對(duì)演講人會(huì)有影響。 2. The reaction of metals with these substances can be put in order. in order意為“井然有序的；整理好的”

10、。in order有序的， 情況良好out of order無(wú)序的， 工作不正常， 出故障by order of 奉的命令， 按的指示place an order with sb for sth on order定購(gòu)的in order to 為了in order that目的在于； 為了；以便Call the names in order. 請(qǐng)依照次序叫名字。His liver is out of order他的肝臟出了毛病。3.Add some oil to the water.add sth. to sth. 意為“加；增加”。If you add 5 to 5, youll get 10

11、. 5加5等于10。 add to 增加， 增添某物add up to 共計(jì)，共達(dá)add up 加起來(lái)1）These numbers _ 100. 這些數(shù)字合計(jì)是100。 _ all the money I owe you . 把我應(yīng)付你的錢都加在一起。add up to Add up 3)The bad weather only _ our difficulties.這種壞天氣更增加了 4)Five _ four is nine. 5 加4 等于9。 4.This will keep air out of the water. keep out of 不讓（某人/某物）進(jìn)入（某處）； 使某人

12、避開(kāi)， 不卷入added to added to Keep that dog out of my study. 別讓那條狗進(jìn)我的書房。Keep the children out of harms way if you take them to the match. 帶孩子看比賽，要注意安全She wore a hat to _ _.他戴著帽子遮陽(yáng)，保護(hù)眼睛(不受太陽(yáng)傷害）。 Keep the sun out of her eyes. Try your best to _ their quarrel. A. keep out B. keep away C. keep out of D. keep

13、 from keep way 不接近，使不接近keep .from 阻止做某事keep off 不接近或不接觸某人/某事物C keep sth up 繼續(xù)保持 keep up 持續(xù)不停（尤指天氣）keep up with 跟上， 與同步前進(jìn)。5. Iron does not rust in air-free water.air-free為形容詞，意為“沒(méi)有空氣的”。-free用以構(gòu)成形容詞或副詞，意為“無(wú)，免除”。類似的：carefree adj. 無(wú)憂無(wú)慮的; 無(wú)牽掛的; 輕松愉快的duty-free adj. & adv. 免稅的disease-free adj. 無(wú)病的worry

14、-free adj. 無(wú)憂無(wú)愁的 6.Half-fill a test tube with water fill with 意為“使?jié)M；填滿”。 He filled the bottle with water. 他把瓶子裝滿水。 Her eyes were filled with tears. 她熱淚盈眶。 The result filled his heart with despair. 這樣的結(jié)果使他心中充滿失望。7. Leave the tube for one week. leave意為“放置, 不去動(dòng)某物, 使 處于某種狀態(tài)” 。如： Leave the child as he is

15、. 這孩子隨他去，別去惹他。 Who left the lights on? 誰(shuí)沒(méi)開(kāi)燈？ Leave a basin of water outside in the weather, and it will soon freeze.在極冷的天把一盆水放在室外, 水很快會(huì)結(jié)冰。8. aim: eim n. 目標(biāo),對(duì)準(zhǔn) v. 對(duì)準(zhǔn)目標(biāo),打算1. He aims to be a successful writer. 他的目標(biāo)是成為一個(gè)成功的作家。 2. What is your aim in life? 你的生活目標(biāo)是什么？ 3. I aimed at the target but hit the wall. 我瞄準(zhǔn)了目標(biāo)射擊，但卻打在了墻上。 4. My remarks were not aimed at you. 我的話不是針對(duì)你的。 aim high 胸懷大志； aim at 瞄準(zhǔn)，目標(biāo)是 take aim at 把目標(biāo)對(duì)準(zhǔn)某人、某事物aim to