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1、 Lesson 30Keep the Candle Burning!Keep the Candle Burning!Correct the mistakes:1. They have hid many Easter eggs.2. I cant find my watch. Its going.3. Do you have lots of fun to hunt for Easter eggs?4. He feels enough happily to jump.5. Danny is making an Easter egg hunt to his cousin.hidden_gone_hu
2、nting_happy enough_forNew wordsshallow adj.shallow adj.match n. match n. burn v. burn v. light v. light v. use up use upcandleholder n. candleholder n. oxygen n. oxygen n.浅的 火柴 燃烧 点燃 用完 蜡烛座 氧气Look and Learn1 .What are they ?They are_ They are used to _something. I will use them _a candle. I am _ the
3、 candle with the match. My father often uses matches _his smoke. 2.This afternoon well have a basketball_.matches light to light lightingto lightmatchLook and Learn-Because burning needs _. when the candle stops buirning, it has _ _ all the oxygen in the jar. (_:They have _ all the water. )Whats thi
4、s? Its a_ .Its a _candle . If I put the jar over the burning candle, what will happen?-It will go out / stop _ why? candle burningburningoxygenused up use upused upRead carefully and answer the questions:1. Whats the title(题目) of the reading?2. What do you need to do the experiment?a candle a candle
5、holder a big glass jar a shallow dish with water matchesKeep the Candle Burning!a candlea candleholdera big glass jara shallow dish with watera matchmatchesRead carefully and answer the questions: 3. How do we do the experiment? 1) Put the candle in the candleholder. 2) Put the candleholder in the d
6、ish. 3) Fill the dish half full of water. 4) Light the candle. 5) Let the candle burn for two or three minutes. 6) Carefully put the jar over the candle until the top of the jar rests on the dish. 7) Look at the water in the jar. What observation can you make? 4. What is happening? use up oxygen one
7、-fifthLanguage notes:2. To make a candle burn, you “light it”.make/let/have sth./sb. do sth. “使某物/某人做某事”burn burned/burnt burned/burnt light lighted/lit lighted/lit1. Fill the dish half full of water.half adv. The bottle is only half full.3. Carefully put the jar over the candle until the top of the
8、 jar rests on the dish.light adj. n. v. make the candle burn = light the candleLanguage notes:Jim used up his money to buy the computer.4. As the candle burns, it uses up oxygen in the air. use sth. up “用尽(材料)，设法利用(剩余的材料或时间)” She used up the chicken bones(骨头) to make soup.5. How far did the water ri
9、se?eat up “吃光” drink up “喝光” She was hungry and ate up the bread.He drank up all the water.水会上升多少？6. There is about one-fifth oxygen in the air, so the water rises and fills about one-fifth of the jar.one-fifth “五分之一” Language notes:分数由分子及分母两部分构成。用英语表达时，分 子用基数词，分母用序数词。若分子为1，则分母的序数词为单数形式，若分子大 于1，则分母的
10、序数词用复数形式。 one (a) half 或 one second ( one-second) = one (a)quarter 或 one-quarterCardinal Ordinal Fractional Number Number Number 基数词 序数词 分数one two threefourfivesixtenfirstsecondthirdfourthfifthsixthtenthone-thirdone-fifthone-sixthtwo-thirdsthree-seventhsfour-ninthsLanguage notes:二分之一三分之一四分之一四分之三五分之二
11、十分之九a/one half (one second)one - thirdthree - fourthsthree quartersone quartertwo - fifthsnine - tenths口 诀：分子基，分母序。分子 1 ，分母加 s强化训练 单项选择1.The bottle is only_full. A.half B.a half C. halfs D.halves2.She _the chicken bones to make soup.A.Used for B. used to C.used up D.used with3._of the students in ou
12、r school_from countryside.(乡村 ）A.Four-fifths,comes B.Fourth-five,come C.Four-fifth,come D.Four-fifths,come4._of water_. A. Three-fourths, are B.Three-four，is C.Three-quarters，is D. Three-fourth, is 4.The river is _here; we can walk across. A. deep B. fast C. shallow 5.Yellow is a _colour, but black
13、is dark. A. orange B. light C. heavyACDCCBCorrect the mistakes:1. There are lots of matchs in the small box.2. Can you let my uncle laughing?3. Youre very ill, so you must stop to smoke.4. Fill the dish half fill of water.5. There is about one five oxygen in the air.6. There are about two third stud
14、ents in the classroom.7. I used out my money. Can you lend me some?matches_laugh_smokingone - fifth_full_two - thirds_up用所给单词的正确形式填空：1.You are very tired. Youd better stop _(have) a rest.2. What do you use to make a candle _(burn)?3. You should put the jar over the candle _(careful).4. What _(observe) can you make?5. Please cut the apple into _(half).6. He _(light) a candle and the room was b
