八年级英语冀教版下unit4lesson30课件

Lesson30KeeptheCandleBurning Eastereggs Easterbasket EasterBunny Correctthemistakes TheyhavehidmanyEastereggs Ican tfindmywatch It sgoing DoyouhavelotsoffuntohuntforEastereggs Hefeelsenoughhappilytojump 5 DannyismakinganEasteregghunttohiscousin hidden gone hunting happyenough for Thinkaboutit Whatdoyouthinkofscience Doyouthinkscienceisinteresting Whyorwhynot NameoneortwofamousChinesescientists Whatdoyouknowaboutthem Todaywearegoingtolookintoscienceagainandlearntodoanotherexperiment Whatexperimentwillwedo Readquicklyandfindtheanswer Whatexperimentwillwelearntodo Readcarefullyandanswerthequestions What sthetitle 题目 ofthereading 2 Whatdoyouneedtodotheexperiment acandle acandleholder abigglassjar ashallowdishwithwater matches KeeptheCandleBurning acandle acandleholder abigglassjar ashallowdishwithwater amatch matches Readcarefullyandanswerthequestions 3 Howdowedotheexperiment 1 Putthecandleinthecandleholder 2 Putthecandleholderinthedish 3 Fillthedishhalffullofwater 4 Lightthecandle 5 Letthecandleburnfortwoorthreeminutes 6 Carefullyputthejaroverthecandleuntilthetopofthejarrestsonthedish 7 Lookatthewaterinthejar Whatobservationcanyoumake 4 Whatishappening useupoxygenone fifth Languagenotes 2 Tomakeacandleburn you lightit make let havesth sb dosth 使某物 某人做某事 burnburned burntburned burnt lightlighted litlighted lit 1 Fillthedishhalffullofwater halfadv Thebottleisonlyhalffull 3 Carefullyputthejaroverthecandleuntilthetopofthejarrestsonthedish lightadj n v makethecandleburn lightthecandle Languagenotes Jimuseduphismoneytobuythecomputer 4 Asthecandleburns itusesupoxygenintheair usesth up 用尽 材料 设法利用 剩余的材料或时间 Sheusedupthechickenbones 骨头 tomakesoup 5 Howfardidthewaterrise eatup 吃光 drinkup 喝光 Shewashungryandateupthebread Hedrankupallthewater 水会上升多少 6 Thereisaboutone fifthoxygenintheair sothewaterrisesandfillsaboutone fifthofthejar one fifth 五分之一 Languagenotes 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 则分母的序数词用复数形式 one a half或onesecond one second one a quarter或one quarter CardinalOrdinalFractionalNumberNumberNumber基数词序数词分数 onetwothreefourfivesix ten firstsecondthirdfourthfifthsixth tenth one thirdone fifthone sixthtwo thirdsthree seventhsfour ninths Languagenotes 二分之一三分之一四分之一四分之三五分之二十分之九 a onehalf onesecond one third three fourths threequarters onequarter two fifths nine tenths 口诀 分子基 分母序 分子 1 分母加s Correctthemistakes Therearelotsofmatchsinthesmallbox Canyouletmyunclelaughing You reveryill soyoumuststoptosmoke Fillthedishhalffillofwater Thereisaboutone fiveoxygenintheair Thereareabouttwo thirdstudentsintheclassroom 7 Iusedoutmymoney Canyoulendmesome matches laugh smoking one fifth full two thirds up 用所给单词的正确形式填空 1 Youareverytired You dbetterstop have arest 2 Whatdoyouusetomakeacandle burn 3 Youshouldputthejaroverthecandle careful 4 What observe canyoumake 5 Pleasecuttheappleinto half 6 He light acandleandtheroomwasbright 7 two askthestudentstoguesswhatwillhappen 8 Hekeptthecandle burn fortwohours 9 It stime play basketball 10 Whatabout go forawalk tohave burn carefully observation s halves lighted lit Second burning toplay going Atask LearntospeakEnglish 1 Putthecandleinthecandleholder 2 Putthecandleholderinthedish 3 Fillthedishhalffullofwater 4 Lightthecandle 5 Letthecandleburnfortwoorthreeminutes 6 Carefullyputthejaroverthecandleuntilthetopofthejarrestsonthedish 7