八年级英语Water talk课件1

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1、Chapter5WaterTalkContentsReadingListeningLanguageSpeakingWritingAriddleThreeliveshaveI.Gentleenoughtosoothetheskin.Lightenoughtocaressthesky.Hardenoughtocrackrocks.waterPre-readingwaterHowmuchdoyouknowaboutAguessinggameBrainstormingWaterhasnotasteatall.Waterhasnosmell.Water’sinthewaterfall,Thebath,T

2、hetap,Thewell.Water’severywherearoundus,Water’sintherain,Thestream,Theriver,Andintheseaagain.AAABCAAquizHowmuchdoyouknowaboutwater?1.Youcouldlivewithoutwaterforafew.A.daysB.weeksC.hours2.Yourbodyneedsaboutlitresofwaterdaily.A.twoB.fourC.eight3.Whenyouexercise,youneedwater.A.moreB.thesameC.lessAAAAAA

3、BCAAquizHowmuchdoyouknowaboutwater?4.Whenyoufreezewater,itbecomesa.A.liquidB.solidC.gas5.AboutofEarthiscoveredbywater.A.onethirdB.onehalfC.twothirds6.Thescientificsymbolforwateris.A.H2OB.HO2C.H2O2BCADividetheclassintogroups.Eachgrouplistsasmanysourcesofwaterastheycan.GroupworkHowcanwegetwater?AAABCA

4、LookandthinkPutthesesentencesinthecorrectorder.()Itflowstothesea.()Itrunsintostreamsandrivers.()Itrisesfromtheseatothesky.()Waterfallsfromthecloudsasrain.()Itfallsasrainagain.32415While-readingNewwordsvaluablea.=preciousavaluablecollectionsofpaintings一批很有价值的画valuableadvice/help/information宝贵的意见/帮助/信

5、息valuablesn.贵重物品valuen.价值adailyroutine/visit/newspaper日常工作/日访/日报Wecleantheclassroomdaily.=Wecleantheclassroomeveryday.monthly=everymonth/onceamonthyearly=everyyear/onceayearincrease-become/makegreaterinnumberdecrease-tobecomesmaller/fewerremainsilent保持沉默remainstanding/seated一直站着/坐着Waterisaliquid.Whe

6、nthetemperatureisbelow0,itturnsintoasolid.Whenthetemperatureisover100,itturnsintoagas.science–scientist-scientificvanish=disappearfreeze–froze–frozenIt’sfreezingoutside.=it’sverycoldoutside.Themeatwasfrozeninthefridge.Hefrozewhenhesawthethief.=Hestoppedmovingwhenhesawthethief.obeythelaw/therulesfain

7、t-difficulttohearIcannothearyouifyouspeakinsuchafaintvoice.floatWoodfloatsinwater.Aballoonfloatedacrossthesky.comfortable–comfortablyspeed(spedsped)movealong/goquicklyCarsarespeedingpasttheschool.汽车从学