SpeakingSpeaking1SpeakingATalkingtimeTrytoreadthetonguetwisterasquicklyaspossible.Iscream,youscream,weallscreamforicecream!SpeakingATalkingtimeTryto2Readthewordsandlearnabout/str/,/spl/,/spr/,/skr/.Readthewordsandlearnabout3A1Listencarefullyandcirclethewordsyouhearfromeachpair.1./strei//stei/2./stri?//spri?/3./split//spit/4./'splend?(r)//'spend?(r)/5./skri:m//stri:m/6./stript//skript/A1Listencarefullyandcircl4A2Readthesesentences.Payattentiontothelettersinbold.1.Thestrawberryplantinthestreetlooksstrange,butthestrawberriesareniceandsweet.2.Heavyrainsplatteredontheroofandsplashedagainstthewindowsofthesplendidhouse.3.Sprinkletheseedsaround.Spreadthemout.In

spring,youwillhavegreensprouts.4.Thescreenwriterscreamedwhenshesawthe

script.A2Readthesesentences.Pay5Howdosewaterbecomerain?蒸發(fā)BSpeakupHowdosewaterbecomerain?蒸發(fā)6Howdoeswaterbecomerain?Ingroups,talkaboutthisprocess.First,… Then,…Next,… Finally,…h(huán)eatsthewaterbecomesvapourformscloudscoolsandformssmalldropsofwaterrainfallsHowdoeswaterbecomerain?In7Thesunheatsthewater.MorevapourintheairVapourcoolsandformsdropsofwater.Completetheflowchattolearnmoreaboutthisprocess.Thesunheatsthewater.More8First,theSunheatsthewaterinthesea.Thewaterbecomesvapourandrisesfromthesea.Then,moreandmorevapourformsintheairandmakesclouds.Whenthevapourcools,itbecomessmalldropsofwater.Thenthesmalldropsofwaterbecomestooheavytostayintheair.Finally,rainfalls.First,theSunheatsthewater9WritingWriting10DiscussWheredoesraincomefrom?Whatmakeswaterrisefromthesea?Howcancloudbecomerain?Whatdoeswaterforminthesky?DiscussWheredoesraincomefr11根據(jù)實(shí)際情況回答下列問(wèn)題。1.Howcanwesavemorewater,byhavingabathortakingashower?2.CanwedrinkallthewateronEarth?3.Whatcanyoudotosavemorewateratyourhome?4.Whichismoreusefultous,cocacolaorwater?5.Howmanyglassesofwaterdoweneedeveryday?根據(jù)實(shí)際情況回答下列問(wèn)題。12Didyouknow?Howtowriteanexperiment?(格式)1.多用無(wú)主語(yǔ)的祈使句。2.常用表示時(shí)間先后順序的序數(shù)詞或時(shí)間副詞。Addsomesaltto…Heatthewater.First,…Second,…Then,…Finally,…Didyouknow?Howtowriteane13Writing:AnexperimentWritingA:Whatexperimentistheboydoing?Ingroups,describethepictures.Writing:AnexperimentWriting14saltstir(攪拌)Addsomesalttoaglassofwater.Stirthewater.(disappear,becomepartof)saltstir(攪拌)Addsomesalttoa15Heatthewater.(awhitecloud,bemadeupof,smalldropsof,continue)Finally,…(starttodryup)Heatthewater.(awhitecloud16Writing:AnexperimentFinally,…(starttodryup)Heatthewater.(awhitecloud,bemadeupof,smalldropsof,continue)Stirthewater.(disappear,becomepartof)Addsomesalttoaglassofwater.Writing:AnexperimentFinally,17Usingaflowchart4Usingaflowchart418Goovertheprocessofhowwaterbecomesrain.Takenotesontheimportantsteps.Goovertheprocessofhowwat19WritingBWriteashortparagraphaboutthisexperiment.UsetheinformationinAtohelpyou.First，addsomesalttoaglassofwater.____________________________________________________________________________________________________________Finally,______________________________.Thesaltturnsintocrystals.WritingBWriteashortparagr20First,addsomesalttoaglassofwater._________________________________________________________________________________________________________________________________________________________________________Finally,_________________________.Thesaltturnsintocrystals.thewater.Thesaltdisappearsandbecomespartofthewater.Next,heatthewater.Youcanseeawhitecloud.Itismadeupofsmalldropsofwater.Continuetoheatthewater.thewaterstartstodryup.ThenstirFirst,addsomesalttoaglas21SpeakingSpeaking22SpeakingATalkingtimeTrytoreadthetonguetwisterasquicklyaspossible.Iscream,youscream,weallscreamforicecream!SpeakingATalkingtimeTryto23Readthewordsandlearnabout/str/,/spl/,/spr/,/skr/.Readthewordsandlearnabout24A1Listencarefullyandcirclethewordsyouhearfromeachpair.1./strei//stei/2./stri?//spri?/3./split//spit/4./'splend?(r)//'spend?(r)/5./skri:m//stri:m/6./stript//skript/A1Listencarefullyandcircl25A2Readthesesentences.Payattentiontothelettersinbold.1.Thestrawberryplantinthestreetlooksstrange,butthestrawberriesareniceandsweet.2.Heavyrainsplatteredontheroofandsplashedagainstthewindowsofthesplendidhouse.3.Sprinkletheseedsaround.Spreadthemout.In

spring,youwillhavegreensprouts.4.Thescreenwriterscreamedwhenshesawthe

script.A2Readthesesentences.Pay26Howdosewaterbecomerain?蒸發(fā)BSpeakupHowdosewaterbecomerain?蒸發(fā)27Howdoeswaterbecomerain?Ingroups,talkaboutthisprocess.First,… Then,…Next,… Finally,…h(huán)eatsthewaterbecomesvapourformscloudscoolsandformssmalldropsofwaterrainfallsHowdoeswaterbecomerain?In28Thesunheatsthewater.MorevapourintheairVapourcoolsandformsdropsofwater.Completetheflowchattolearnmoreaboutthisprocess.Thesunheatsthewater.More29First,theSunheatsthewaterinthesea.Thewaterbecomesvapourandrisesfromthesea.Then,moreandmorevapourformsintheairandmakesclouds.Whenthevapourcools,itbecomessmalldropsofwater.Thenthesmalldropsofwaterbecomestooheavytostayintheair.Finally,rainfalls.First,theSunheatsthewater30WritingWriting31DiscussWheredoesraincomefrom?Whatmakeswaterrisefromthesea?Howcancloudbecomerain?Whatdoeswaterforminthesky?DiscussWheredoesraincomefr32根據(jù)實(shí)際情況回答下列問(wèn)題。1.Howcanwesavemorewater,byhavingabathortakingashower?2.CanwedrinkallthewateronEarth?3.Whatcanyoudotosavemorewateratyourhome?4.Whichismoreusefultous,cocacolaorwater?5.Howmanyglassesofwaterdoweneedeveryday?根據(jù)實(shí)際情況回答下列問(wèn)題。33Didyouknow?Howtowriteanexperiment?(格式)1.多用無(wú)主語(yǔ)的祈使句。2.常用表示時(shí)間先后順序的序數(shù)詞或時(shí)間副詞。Addsomesaltto…Heatthewater.First,…Second,…Then,…Finally,…Didyouknow?Howtowriteane34Writing:AnexperimentWritingA:Whatexperimentistheboydoing?Ingroups,describethepictures.Writing:AnexperimentWriting35saltstir(攪拌)Addsomesalttoaglassofwater.Stirthewater.(disappear,becomepartof)saltstir(攪拌)Addsomesalttoa36Heatthewater.(awhitecloud,bemadeupof,smalldropsof,continue)Finally,…(starttodryup)Heatthewater.(awhitecloud37Writing:AnexperimentFinally,…(starttodryup)Heatthewater.(awhitecloud,bemadeupof,smalldropsof,continue)Stirthewater.(disappear,becomepartof)Addsomesalttoaglassofwater.Writing:AnexperimentFinally,38Usingaflowchart4Usingaflowchart439Goovertheprocessofhowwaterbecomesrain.Takenotesontheimportantsteps.Goovertheprocessofhowwat40WritingB