美国加州教材-二年级科学练习-Science.Acloserlook.buildingskillsvisualliteracy.G2.SE884

ReadaDiagramNameDateHowdoplantsmakefood?Thisdiagramshowsthepartsofaplant.Thelinespointtothedifferentparts,andthecaptionstellhoweachpartoftheplanthelpsmakeorstorefood.PlantsMakeFoodLeavestakeinairandusesunlighttomakefood.Thestemholdsuptheplant.Itallowswaterandfoodtotravelthroughtheplant.Rootsholdtheplantinthesoil.Theyalsotakeinwaterandminerals.Rootscanstorefoodfortheplant,too.Studythediagram,thenanswerthequestions.1.Whatpartoftheplanttakesinsunlight?lliH-2.WhichpartsoftheplantcanyouseeabovewarGcMthesoil?/nallimcaM©1Chapter1•PlantsUsewithLesson1WhatLivingThingsNeedVisualLiteracyReadaDiagramNameDateHowdoseedsgrow?Thisdiagramshowshowtheseedsofapineconegrowintopinetrees.Thearrowsshowtheorderofthedifferentstagesinthelifecycleofapinetree.Readthecaptionsasyoufollowthearrows.LifeCycleofaPineTreeAdultpinetreesmakeseedsinconesinsteadofflowers.Thepineconesfalltotheground.Someseedsgetmovedtootherplaces.Aseedsproutsandbecomesaseedling,oryoungplant.Theseedlinggrowsintoanadultpinetree.Itgrowsconessoitcanmakenewplants.Studythediagram,thenanswerthequestion.lliH1.Whathappensbeforeapineseedsprouts-warGcandbecomesaseedling?M/nallimcaM©2Chapter1•PlantsUsewithLesson2VisualLiteracyPlantsMakeNewPlantsReadaPhotoNameDateHowareplantsliketheirparents?Thisphotographshowsyoungtulipsandadulttulips.Canyoutellwhicharewhich?TulipsStudythephotograph,thenanswerthequestions.1.Whataresometraitsthatthesetulipsshare?lliH2.Canyoutellwhichtulipsareyoungand-warGcwhichareold?Whyorwhynot?M/nallimcaM©3Chapter1•PlantsUsewithLesson3HowPlantsAreAlikeandDifferentVisualLiteracyReadaDiagramNameDateWhataresomeanimalswithoutbackbones?Hereisadiagramofabeetle.Thecaptionsnexttothelinesgiveinformationabouteachpartofthebeetle.BeetleAninsectisananimalwithsixlegs,antennae,andahard,outershell.Theantennahelpsinsectsfeel,taste,andsmell.Theoutershellhelpskeepinsectssafe.Thelegshelpinsectsclimbonsmoothorroughplaces.Answerthequestions.1.Cantheantennaehelpthebeetlefindfood?Howdoyouknow?2.Doesabeetlehaveabackbone?HowdoyoulliH-warknow?GcM/nallimcaM©4Chapter2•AnimalsUsewithLesson1VisualLiteracyAnimalGroupsReadaDiagramNameDateWhatisalifecycle?Thisdiagramshowsyouthelifecyclesofachickenandagiantpanda.Thephotosandcaptionsgiveinformationaboutdifferentstagesinthelifecyclesoftheseanimals.GiantPandaLifeCycleBabypandasgrowinsidetheirmothers’bodies.Theydrinkmilkfromtheirmotherssotheycangrow.Ababypandagrowsuptobeanadult.Itmayfindamateandhaveababyofitsown.ChickenLifeCycleThechicksBabychickens,orchicks,breaktheshelltogetoutofanegg.Theycansee,walk,andfeedthemselvesaftertheyhatch.growuptobeadultchickens.Thisisarooster,oramalechicken.Answerthequestions.1.Whatdobabypandasdrink?Howdoyouknow?lliH-warGcM/2.Whichbabyanimaldoyouthinklooksmostnallimcalikeitsparents?Tellwhyyouthinkso.M©5Chapter2•AnimalsUsewithLesson2AnimalsGrowandChangeVisualLiteracyReadaPhotoNameDateWhydoanimalsactandlookthewaytheydo?Thephotographsbelowshowhowabirdcanchangethecolorsofitsfeathers.Thecaptionstellwhythebirdchangescolor.PtarmiganFeathersInsummer,aptarmiganhasbrownfeathers.Infall,thebird’sfeathersbegintoturnwhite.Inwinter,itsfeathersblendwiththesnow.Answerthequestions.1.Doyouthinkthatthebirdiseasytoseeinthewinter?Why?lliH-w2.WhydothefeathersofthebirdinthefirstarGcM/photographlookthewaytheydo?nallimcaM©6Chapter2•AnimalsUsewithLesson3VisualLiteracyStayingAliveReadaDiagramNameDateHowdolivingthingsusetheirhabitats?Belowisadiagramofaforesthabitat.Ahabitatisanenvironmentfromwhichplantsandanimalsgetwhattheyneedtolive.ForestHabitatUsethediagramtoanswerthequestions.1.Wheredoesthesquirrelsleepinthishabitat?Howdoyouknow?lliH2.Howdoesthetreehelpthesquirrel?-warGcM/nallimcaM©Chapter3•LookingatHabitatsUsewithLesson17VisualLiteracyPlacestoLiveReadaDiagramNameDateWhatisafoodweb?Thediagrambelowshowsafoodwebofahotdeserthabitat.Thearrowspointtoandfromeachplantandanimaltoshowhowtheyareconnected.ADesertFoodWebArrowsinthefoodwebgofromfoodtoeater.Usethediagramtoanswerthequestions.1.Whatdoesthebeetleeat?Howdoyouknow?ll2.Circletheanimalsthateatthebeetle.iH-warGcM3.Whatdoesthehawkeat?Howdoyouanllimcknow?aM©8Chapter3•LookingatHabitatsUsewithLesson2FoodChainsandFoodWebsVisualLiteracyReadaPhotoNameDateHowdohabitatschange?Thephotographbelowshowswhathappensduringadrought.Adroughthappenswhenanareadoesnotgetrainforalongtime.DroughtUsethephotographtoanswerthequestions.1.Takeacloserlookatthephotograph.Howcanyoutellthatthisareahasbeenthroughadrought?lliH-warGcM2.Doyouthinkthattheleavesofthesunflowerin/nallimcathephotographaresoft?Explain.M©9Chapter3•LookingatHabitatsUsewithLesson3HabitatsChangeVisualLiteracyReadaChartNameDateWhatisawoodlandforestlike?Thischarttellshowforestanimalsusedifferenttraitstohelpthemlive.AnimalTraitsOwlshavelargeeyesandhuntatnightusingsightandsound.Woodpeckershavesharpbeakstotaptreesandfindinsectstoeat.Deerhavecolorsandspotsthathelpthemhideintheforest.Chipmunkshavebigcheeksthattheyusetocarrymanynuts.Usethecharttoanswerthequestions.1.Whatdoesthechipmunkeat?Howdoyouknow?2.Howdoowlshuntforfood?Whattraitsdotheyuse?lliH-warGcM/nallim3.Colorsandspotsprotectwhichanimals?ca©10Chapter4•KindsofHabitatsUsewithLesson1VisualLiteracyForestsReadaDiagramNameDateWhatisahotdesertlike?Thisdiagramshowshowsomelivingthingsgetwaterinahotdesert.Theillustrationontherightiscalledaninset.FindingWaterintheDesertUsethediagramtoanswerthequestions.1.Whatdoesthisdiagramshowabouthowthecricketgetswaterfromitshabitat?lliH2.Describetherootsofthedesertplantandhow-warGctheyhelptheplantgetwaterinthedrydesert.M/nallimcaM©11Chapter4•KindsofHabitatsUsewithLesson2HotandColdDesertsVisualLiteracyReadaDiagramNameDateWhatistheoceanlike?Thisdiagramshowsanimalsthatliveintheocean.Thecaptionsexplainhowandwhereeachanimallivesintheocean.LifeintheOceanWhales,dolphins,andsharksswiminthedeepwater,awayfromshore.Crabsandseastarsliveclosertotheocean’sshore.Anglerfishandsquidliveinthedeepestpartoftheocean.Usethediagramtoanswerthequestions.1.Wheredosquidslive?Howdoyouknow?lli2.WouldaseastarhavetoprotectitselffromH-warGananglerfish?cM/nallimcaM©12Chapter4•KindsofHabitatsUsewithLesson3VisualLiteracyOceansandPondsReadaMapNameDateWhatcanmapstellusaboutEarth?AmapisamodelthatshowsEarth’ssurface.Somemapsareflat.Others,likeaglobe,areround.ThismapshowshowEarthlooksinonepartoftheworld.NorthAmericaStudythemap,thenanswerthequestions.1.Whereisthelandandwateronthemap?lliH2.Whatpartoftheworlddoesthismapshow?-warGcHowdoyouknow?M/nallimcaM©13Chapter5•LandandWaterUsewithLesson1Earth’sLandVisualLiteracyReadaPhotoNameDateWhereismostofEarth’swaterfound?ThisphotographshowshowEarthlooksfromspace.ItshowslandandwaterinNorthAmericaandSouthAmerica.EarthfromSpaceStudythephotograph,thenanswerthequestions.1.DoesthisphotographofEarthshowmorewaterormoreland?Whydoesthismakesense?lliH-warGcM/n2.Circlethecontinentwhereyoulive.Whichallimcacontinentdidyoucircle?M©14Chapter5•LandandWaterUsewithLesson2VisualLiteracyEarth’sWaterReadaDiagramNameDateHowdoesEarthchangeslowly?Thisdiagramshowshowwatercanchangeland.Eachphotographshowsachange.Thenumbersunderthephotographstellyouwhathappensfirst,next,andlast.Thecaptionsbeloweachphotographexplainhowthelandischanging.IceChangesLand123Incoldweather,thewaterturnstoice.Icetakesupmorespacethanwater.Icepushesthecracksapart.Inwarmerweather,theicemeltsandthewaterrunsoutoftherock.Thecrackisnowbigger.Rockswithlargecrackscanbreakapart.Ittookmanyyearsforthisrocktobreak.Studythediagram,thenanswerthequestions.1.HowhastherockchangedfromPhotograph2toPhotograph3?Whydiditchange?lliH-warGcM/nallimcaM©Chapter5•LandandWaterUsewithLesson3ChangesonEarth15VisualLiteracyReadaChartNameDateWhatareminerals?Thischartshowssomeofthewaysthatweusemineralsinourdailylives.UsesofMineralsgraphitemagnetitefluoriteturquoiseUsethecharttoanswerthequestionsbelow.1.Studythechart.Writeaheadingfortheleftcolumn.Thenwriteaheadingfortherightcolumn.Headingforleftcolumn:Headingforrightcolumn:l2.Whereisthemineralgraphiteonthechart?WhatliH-warGobjectismadefromgraphite?Howdoyouknow?cM/nallimcaM©16Chapter6•Earth’sResourcesUsewithLesson1RocksandMineralsVisualLiteracyReadaPhotoNameDateWhatissoil?Thephotographsbelowshowthreetypesofsoil.TypesofSoilclaysoiltopsoilsandysoilUsethephotographsandcaptionstoanswerthequestionsbelow.1.Whichtypeofsoilisbestforfarming?Why?2.Describewhatclaysoillookslike.lliH-warGcM/na3.Whichsoilwouldyoufindnearabeach?llimcaM©Chapter6•Earth’sResourcesUsewithLesson217VisualLiteracySoilReadaPhotoNameDateWhyshouldwecareforEarth’sresources?Thephotographbelowshowsariveranditsenvironment.PollutionUsethephotographtoanswerthequestionsbelow.1.Wheredoyouthinkthepollutiononthebeachcamefrom?lliH-warGcM2.Howmightpollutionhurtthelivingthingsinthis/nallimcriver?aM©18Chapter6•Earth’sResourcesUsewithLesson3UsingEarth’sResourcesVisualLiteracyReadaPhotoNameDateWhatiswind?Thisphotographshowsawindsock.Awindsockisakindofweathertoolthatshowsyouwhichdirectionairisblowing.WindSockUsethephotographtoanswerthequestions.1.Isthewindinthephotographblowingtotheleftortotheright?Howdoyouknow?lliH2.Isthewindblowingveryhard?Howdoyou-warGcknow?M/nallimcaM©Chapter7•ObservingWeatherUsewithLesson119VisualLiteracyWeatherReadaDiagramNameDateWhatisthewatercycle?Thisdiagramtellsaboutthewatercycle.Thewatercycleshowshowthewaterinoceans,lakes,andriversbecomesrain.TheWaterCycleWateriswarmedbytheSun,evaporates,andrisesintotheair.Oncetheaircools,thewatercondensesandformsclouds.Precipitationcanfallasrain,snow,sleet,orhail.Overtime,rainandmeltedsnowflowbacktothelakes,rivers,andoceans.Usethediagramtoanswerthequestions.1.Doeswatertravelupordownwhenitevaporates?Howdoyouknow?2.Howdoessnowbecomeoceanwater?HowlliHdoyouknow?-warGcM/nallimcaM©20Chapter7•ObservingWeatherUsewithLesson2VisualLiteracyTheWaterCycleReadaChartNameDateHowcanwestaysafefromweather?Thephotographbelowshowslightning.Thecharttotherightofthephotographtellshowtostaysafeinastorm.Thecharttellsyouwhattododuringalightningstorm.Avoidopenspaces.LightningSafetyStayoutofwater.Donotstandundertrees.Stayindoors.Usethecharttoanswerthequestion.1.Shouldyougoswimmingorstayindoorsduringalightningstorm?Howdoyouknow?lliH-warGcM/nallimcaM©21Chapter7•ObservingWeatherUsewithLesson3ChangesinWeatherVisualLiteracyReadaDiagramNameDateWhatcausesdayandnight?Thediagrambelowexplainswhywehavedayandnight.Readeachquestionandcirclethecorrectanswer.Earth’sAxisaxis1.InwhichdirectionisEarthrotating?leftright2.WhatisthelinegoingfromtheNorthtotheSouthofEarth?orbitaxis3.Isitcoolerduringthedayoratnight?HowlliH-warcouldyouusethediagramtofigurethisout?GcM/nallimcaM©22Chapter8•EarthandSpaceUsewithLesson1VisualLiteracyDayandNightReadaDiagramNameDateWhatcausestheseasons?ThisdiagramshowsyouhowtheweatherchangesonEarthasitorbitstheSun.Lookatthediagramtoanswerthequestions.EarthTiltsspringwinterThetiltofEarthduringitsorbitaroundtheSuncausestheseasonstochange.summerfall1.DuringwhichseasonisthebottomhalfofEarthtiltedtowardtheSun?Circleyouranswer.fallwinterspringsummer2.Readthecaption.WhydoestheweatherchangewhenourpartofEarthistiltedtowardtheSun?HowdoesitchangewhenitistiltedawayfromtheSun?lliH-warGcM/nallimcaM©23Chapter8•EarthandSpaceUsewithLesson2WhySeasonsHappenVisualLiteracyReadaDiagramNameDateWhycanweseetheMoonfromEarth?ThisdiagramexplainshowlightfromtheSunshinesontheMoonsothatwecanseeitfromEarth.Studythediagram,thenanswerthequestions.HowtheMoonMovesTheSun’slightshinesontheMoon.SunMoonEarth1.WhichwaydoestheMoonmovearoundEarth?2.HowdoesthewaytheMoonmovesaroundEarthcomparetothewayEarthmovesaroundtheSun?lliH-warGcM/nallimcaM©24Chapter8•EarthandSpaceUsewithLesson3VisualLiteracyTheMoonandStarsReadaDiagramNameDateWhatgoesaroundtheSun?ThediagrambelowshowsourSolarSystem.Usethediagramtoanswerthequestions.TheSolarSystemPlutoMercuryJupiterVenusEarthMarsSaturnUranusNeptune1.WhereistheSuninthisdiagram?Howdoyouknow?2.WhichplanetshavetheshortestandlongestpathsaroundtheSun?lliH-warGcM/nallimcaM©25Chapter8•EarthandSpaceUsewithLesson4VisualLiteracyTheSolarSystemReadaPhotoNameDateWhatismatter?Photographscanhelpyouunderstandideas.Thephotographbelowhelpstoexplainwhatmatteris.UsingMatterAnswerthequestions.1.Theboyisusingwatertowashthedog.Iswatermatter?Whyorwhynot?2.Listallofthematteryouseeinthephotograph.lliH-warGcM/nallimcaM©26Chapter9•LookingatMatterUsewithLesson1VisualLiteracyDescribingMatterReadaPhotoNameDateHowcanwemeasuresolids?Thisphotographshowshowabalanceisusefulformeasuringthemassesofsolids.MeasuringSolidsAnswerthequestions.1.Whichsideofthebalancehasmoremass?Howdoyouknow?2.WhatwouldhappenifyouaddedanotherpencillliHtotheleftsideofthebalance?-warGcM/nallimcaM©27Chapter9•LookingatMatterUsewithLesson2VisualLiteracySolidsReadaPhotoNameDateWhatisaliquid?Thisphotographshowstwocontainerscalledbeakers.Thebeakersinthephotographmeasureliquidsinmilliliters.MeasuringLiquidsAnswerthequestions.1.Whichbeakerhasmoreliquid?Howdoyouknow?2.Howmanymilliliterscanyoumeasureinonebeaker?lliH-warGcM/nallimc3.Whatisthesmallestnumberonthebeaker?aM©28Chapter9•LookingatMatterUsewithLesson3VisualLiteracyLiquidsandGasesReadaDiagramNameDateWhatarechemicalchanges?Thediagrambelowshowsthreeobjectsbeforeandafterachemicalchange.ChemicalChangesBeforeAfterCauseHeatcausesthematchsticktoburn.Thepropertiesofthematchstickhavechanged.Waterandaircancausemetaltorust.Rustisachemicalchangethathappensslowly.Waterandairdonotchangethepropertiesofplastic.Usethediagramtoanswerthequestionsbelow.1.Whydidthematchchange?Howdoyouknow?2.Didthescrewchange?Howdoyouknow?lliH-warGcM/nallimcaM©Chapter10•ChangesinMatterUsewithLesson129VisualLiteracyMatterChangesReadaDiagramNameDateHowcanheatingchangematter?Thediagrambelowshowshowheatchangesice.AddingHeattoIceicewaterwatervaporAddingheattoice,makesiceturntoaliquid,andthentoagas.Usethediagramtoanswerthequestionsbelow.1.Whathappenswhenheatisaddedtoice?Howcanyoutell?2.Howdoestheshapeofwaterchangeasitbecomeswarmer?lliH-warGcM/nallimcaM©30Chapter10•ChangesinMatterUsewithLesson2VisualLiteracyChangeofStateReadaPhotoNameDateWhichmixturesstaymixed?Thephotographsbelowshowtwoblenders.Eachphotographhasalabelthattellsaboutwhatitshows.MixtureorSolution?beforeafterUsethephotographsandlabelstoanswerthequestionsbelow.1.Whichphotographshowswhathappenstothefruitaftertheblenderisturnedon?Howdoyouknow?lliH2.Whichblenderdoyouthinkcontainsamixture?-warGcWhichonehasasolution?Explain.M/nallimcaM©Chapter10•ChangesinMatterUsewithLesson331VisualLiteracyMixturesReadaGraphNameDateWhatisspeed?Thisgraphcomparesthespeedsofazebra,acheetah,andalion.Thespeedofeachanimalismeasuredinmilesperhour.AnimalSpeedUsethegraphtoanswerthequestions.1.Listtheanimalsfromfastesttoslowest.1.2.3.2.Howmanymilesperhourcantheslowestanimalrun?Howcanyoutell?lliH-warGcM/nallimcM©3.Howmanymilesperhourdoeseachboxstandfor?a32Chapter11•HowThingsMoveUsewithLesson1PositionandMotionVisualLiteracyReadaDiagramNameDateHowcanforceschangemotion?Thediagrambelowshowshoweachplayerusesforceswhileplayingagameofbaseball.Thearrowsshowhowtheballmovesbecauseoftheseforces.Thecaptionnexttoeacharrowtellshowforcesmaketheballmove.HowaBallChangesDirectionsThepitcherusesaforcetothrowtheballtowardthebatter.▼Theplayerintheoutfieldcatchestheballandusesaforcetostopitsmotion.Hecanalsouseaforcetothrowtheballtoanotherplayer.▶◀Thebatterhitstheballwithapush.Itchangesdirectionandfliestowardtheoutfield.Usethediagramtoanswerthequestion.1.Whichplayerusesastoppingforce?Whichplayersuseapushingforce?lliH-warGcM/nallimcaM©Chapter11•HowThingsMoveUsewithLesson233VisualLiteracyForcesReadaPhotoNameDateWhatareleversandramps?Thephotographbelowshowsahammerbeingusedasasimplemachine.Thepartofthehammerusedtopulloutnailsiscalledtheclaw.Whenyouusetheclawofthehammer,youareusingthehammerasalever.LeverforceTheforceonthehammerwillliftthenailfromtheboard.fulcrumUsethephotographtoanswerthequestions.1.Whatisthefulcrumonthishammer?Howcanyoutell?lliH-warGcM2.Isthenailmovingupordowninthephotograph?/nallimHowdoyouknow?ca©34Chapter11•HowThingsMoveUsewithLesson3UsingSimpleMachinesVisualLiteracyReadaChartNameDateWhatdomagnetsdo?Magnetsattractobjectsmadeofironandsomeothermetals.Thischartshowstheresultsofatesttoseewhichobjectsamagnetwillattract.Lookcarefullyateachcolumnofthechart.WhataMagnetAttractsUsethecharttoanswerthequestions.1.Howmanyobjectsw