Grade2•Unit6•Week21Copyright©TheMcGraw-HillCompanies,Inc.IllustratedbyRobSchusterWindPowerGuidedRetellingWhatiswind?Whatdoesthepictureshow?ModeledRetellingWindismovingair.Ithaskineticenergy,aforcethatmovesthings.Windgetsitsenergyfromthesun.First,thesunwarmstheair.Asthewarmairrises,coolairtakesitsplace.Themovingairiswind.Sailboatsusewindpowertomovethem.BeginningWindismoving.Windgetsitsenergyfromthe.IntermediateWhatiswind?Howdoeswindgetitsenergy?AdvancedWhatiswind?Explainhowenergyfromthesunmakeswind.ENGLISHLANGUAGELEARNERSGrade2•Unit6•Week22Copyright©TheMcGraw-HillCompanies,Inc.(bkgd)RichardNowitz/NationalGeographicSociety/Corbis;(inset)JoelSartore/NationalGeographic/GettyImagesWindPowerGuidedRetellingHowcanwindpowerhelppeoplegetwater?ModeledRetellingWindmillsareonewaypeopleusewindpower.SomeplacesintheUnitedStatesaredryonthesurface,butthereiswaterunderground.Windmillscanpumpthewatertothesurface.Thenpeoplecanuseit.BeginningPointtothewindmill.Awindmillusespower.Awindmillcanpump.IntermediateWhatdoesthepictureshow?Whatcanwindmillsdo?AdvancedWhatisawindmill?Howcanpeopleindryplacesusewindmillstogetwater?ENGLISHLANGUAGELEARNERSGrade2•Unit6•Week23Copyright©TheMcGraw-HillCompanies,Inc.McGraw-HillCompanies,Inc.,JohnFlournoy,photographerWindPowerENGLISHLANGUAGELEARNERSGuidedRetellingWhatarewindturbines?Whataretheyusedfor?ModeledRetellingWindpowerisnowusedtomakeelectricity.Modernwindmillsarecalledwindturbines.Awindfarmisagroupofwindturbinesthatareconnected.Awindfarmcanmakealotofelectricity,dependingonthesizeandwindspeedoftheturbines.BeginningWhatkindoffarmisthis?Awindfarmcanmakealotof.IntermediateWhatkindofwindmillmakeselectricity?Whatisawindfarm?AdvancedDescribeawindfarm.Explainhowwindfarmscanmakealotofelectricity.Grade2•Unit6•Week24Copyright©TheMcGraw-HillCompanies,Inc.JohnShort/AlamyWindPowerGuidedRetellingWhatisgoodaboutwindfarms?Whatisbadaboutwindfarms?ModeledRetellingSomepeoplelikewindpowerbecauseitdoesnotpollutetheairorwater.Otherscomplainthatwindfarmsareuglyandruintheirview.Theysayturbinesarenoisyandmakethegroundshake.Windfarmsareunsafeforbirdsandbats.BeginningDowindfarmspollutetheairandwater?Whatanimalscanwindfarmshurt?IntermediateWhatisonethingpeoplelikeaboutwindfarms?Whatisonethingpeopledonotlikeaboutwindfarms?AdvancedHowiswindpowergoodfortheearth?Whydosomepeoplecomplainaboutwindfarms?ENGLISHLANGUAGELEARNERSGrade2•Unit6•Week25Copyright©TheMcGraw-HillCompanies,Inc.(l)JamesJordanPhotography/FlickrRF/GettyImages;(r)imagebroker.net/SuperStockWindPowerGuidedRetellingWhymightwindpowerbethebestwayforustomeetourenergyneeds?ModeledRetellingWindpowermaybethebestwaytomeetourenergyneeds.Itdoesnotpollutetheairlikesomepowerplants.Onedaywewillrunoutofoilandcoal.Butwewillneverrunoutofwind!BeginningPowerplantslikethisonepollutethe.Whatwillweneverrunoutof?IntermediateWhatdosomepowerplantsdo?Whyiswindpoweragoodidea?AdvancedExplaintheproblemwithsomepowerplants.Whyiswindpowerabetteridea?ENGLISHLANGUAGELEARNERS
