英语unit4 lesson30课件（冀教版八年级下）

《英语unit4 lesson30课件（冀教版八年级下）》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。

1、Lesson30KeeptheCandleBurning!EastereggsEasterbasketEasterBunnyCorrectthemistakes:TheyhavehidmanyEastereggs.Ican’tfindmywatch.It’sgoing.DoyouhavelotsoffuntohuntforEastereggs?Hefeelsenoughhappilytojump.5.DannyismakinganEasteregghunttohiscousin.hidden_______gone_____hunti

2、ng___________happyenough__forThinkaboutit!Whatdoyouthinkofscience?Doyouthinkscienceisinteresting?Whyorwhynot?NameoneortwofamousChinesescientists.Whatdoyouknowaboutthem?Todaywearegoingtolookintoscienceagainandlearntodoanotherexperiment.Whatexperimentwillwedo?Readquickly

3、andfindtheanswer:Whatexperimentwillwelearntodo?Readcarefullyandanswerthequestions:What’sthetitle(题目)ofthereading?2.Whatdoyouneedtodotheexperiment?●acandle●acandleholder●abigglassjar●ashallowdishwithwater●matchesKeeptheCandleBurning!acandleacandleholderabigglassjarashal

4、lowdishwithwateramatchmatchesReadcarefullyandanswerthequestions:3.Howdowedotheexperiment?1)Putthecandleinthecandleholder.2)Putthecandleholderinthedish.3)Fillthedishhalffullofwater.4)Lightthecandle.5)Letthecandleburnfortwoorthreeminutes.6)Carefullyputthejaroverthecandle

5、untilthetopofthejarrestsonthedish.7)Lookatthewaterinthejar.Whatobservationcanyoumake?4.Whatishappening?useupoxygenone-fifthLanguagenotes:2.Tomakeacandleburn,you“lightit”.make/let/havesth./sb.dosth.“使某物/某人做某事”burnburned/burntburned/burntlightlighted/litlighted/lit1.Fill

6、thedishhalffullofwater.halfadv.Thebottleisonlyhalffull.3.Carefullyputthejaroverthecandleuntilthetopofthejarrestsonthedish.lightadj.n.v.makethecandleburn=lightthecandleLanguagenotes:Jimuseduphismoneytobuythecomputer.4.Asthecandleburns,itusesupoxygenintheair.usesth.up“用尽

7、(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”Languageno

8、tes:⑴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。⑵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。⑶½＝one(a)half或onesecond(one-second)¼=