1、1 Do you like doing science experiments？Why or why not?2 What will happen if you put a jar upside down over a burning candle?They are doing experiments.THINK ABOUT ITLesson 26Keep the Candle BurningScience is so interesting!Im sure youll like this experiment!Can you see the candle holder in this pic
2、ture?The candle is pink.The candle holder is grey.The candle holder is“holding”the candle.What do you need?a candlea candle holdera big glass jara shallow dish a lighter or matchessome waterWhat do you do?w 1.Put the candle in the candle holder.w 2.Put the candle holder on he dish.w 3.Fill the dish
3、half full with water.w 4.Light the candle.w 5.Let the candle burn for two or three minutes.w 6.Carefully put the jar over the candle until the top of the jar rests on the dish.w 7.Examine the water in the jar.()Put the candle holder on the dish.()Examine the water in the jar.()Fill the dish half ful
4、l with water.()Let the candle burn for two or three minutes.()Put the candle in the candle holder.()Light the candle.()Carefully put the jar over the candle until the top of the jar rests on the dish.Listen carefully and put the sentencesin the correct order.2735146examine gzmn v.检查Group WorkTask 1:
5、Do the experient and speak English.Work in groups.Then choose one group to show the experiment.One of the students will do the experiment and others will describe the steps of the experiment in English.（以小组形式做实验。选出一个组展示实验。其中一个同学做实验，其他同学用英语叙述实验步骤。）Task 2：Discuss and finish the experiment reportDiscus
6、s and finish the experiment report in English,too!（讨论并用英语完成实验报告）Discussing1Why did the candle stop burning?2 Why did the water rise?3 How far did the water rise?Why?4 What does this experiment show about air?Because it has_ the oxygen in the air and there is_ oxygen in the jar.Because the force outs
7、ide the jar is _ than the force inside the jar.Because there is about _ oxygen in the air,so the water rises and fills about _ of the jar.It shows that there is _ oxygen in the air.used upnostrongerone-fifthone-fifthone-fifthName:Which Group:Date:Experiment Name:Experiment materials:Experiment Steps
8、:Observation:Conclusion:How much oxygen is there in the air?a candle，a candle holdera big glass jar，a shallow dish some water,matches or a lighter1.Put the candle in the candle holder.2.Put the candle holder on the dish.3.Fill the dish half full with water.4.Light the candle.5.Let the candle burn fo
9、r two or three minutes.6.Carefully put the jar over the candle until the top of the jar rests on the dish.7.Examine the water in the jar.The candle stops burning.The water rises up.There is one fifth oxygen in the air.oxygen ksdn n.氧气burningmatchlighterLetuntilAsusesused upone fifthismade up ofrises
10、Lesson 26Lesson 26Keep the Candle BurningKeep the Candle Burning1.keep the candle burning!让蜡烛燃烧！1)keep sth.(sb.)doing 使某物持续做.Dont keep the water falling.不要再让水继续流了。2)keep+adj.保持（的状态）Keep the hope alive!让希望永存2.use up用光，耗尽.Jim used up his money to buy the computer.吉姆为了买电脑花光了所有的钱。3.be made up of 由组成Poin
11、t of Grace is made up of four girls.Point of Grace 是由四名女孩组成的。Keep the candle burning by Point of GraceKeep the Candle BurningYou think youre alone there in your silent stormBut ive seen the tears youve cried falling down and trying to drownThe flame of hope insideLet me tell you now,tell you nowWhen
12、 youre walking in the dead of nightAnd your soul is churningWhen your hope seems out of sightKeep the candle burningAll it takes is one steady heart in a world thats turningShine a light and pierce the darkKeep the candle burning Keep the candle burningWhen youre down and youre discouragedWhen the d
13、arkness clouds your viewYouve got to gather up your courageYou know the lord is gonna see you throughLet me tell you now Tell you nowOne ray of light always breaks throughFollow wherever he takes youWherever he takes youREVISIONholder hld n.支托物，持有者shallow l adj.浅的lighter lat n.打火机，点火器match mt n.火柴，比
14、赛v.相称，相配examine gzmn v.检查oxygen ksdn n.氧气PRACTICE1.n.1.n.火柴火柴v.v.相称；相配相称；相配2.n.2.n.支托物；持有者支托物；持有者3.adj.3.adj.浅的浅的4.v.4.v.检查检查5.n.5.n.氧气氧气6.n.6.n.打火机；点火器打火机；点火器1.match2.holder3.examine4.oxygen5.shallow6.lighterCircle the correct words to complete the sentences.1 Dont(use up/push up)all of the ink.Lea
15、ve some for me.2 The medical team(is made of/is made up of)five experienced doctors.3 Please fill the hole(with/in)sand and water.4 They didnt realize their mistake(until/as)we told them.5 My brother wasnt(strong enough/enough strong)to lift the box.PRACTICEHOMEWORK 1.Do and describe this experiment to your family.2.Try to describe and write another experiment that you have learned in English.
