Whyaregirlsnotasgoodatmathandscience?Girlsdon'tdoaswellatmathsandscienceasboys.Thereareseveralreasonsforthis.(1)Thefirstandmostimportantreasonisthattheyaren'tencouragedtoplaywithtoysthatbuildupinterestinmathandscienceproblemsandthatbuildskillsforproblemsolvingorunderstandinghowthingswork.Girlsareencouragedtoplaywithtoysthathelpfosterlanguageandhumanrelationsskills.Asaresult,theycangrowupnotknowinghowanengineworksorhowtobuildamodelfromdirections.(2)Second,studieshaveshownthatteachersdon'texpectgirlstobegoodatmath.Evenfemalemathandscienceteacherspaymoreattentiontoboysinclassandcallonboysmoreoften.Becauseteachersdon'texpectgirlstoexcel,theydon'ttryveryhard,andsoongirlsarefarbehindboysinthesestudies.(3)Finally,girlsdon'thavemanyrolemodelstolookupto(崇拜的角色榜样)Notverymanymathandscienceteachersarewomen,especiallyinthelatergrades.Whenthemediapicturemathematiciansandscientists,theyusuallypicturemen.Asaresult,girlsaren'tinspiredtochoosethesefieldsascareers.(4)Insummary,severalfactorsworktogetherathome,inschools,andinsocietyatlargetosendasubtlemessage(微妙的信号)togirls.Girlsalmostalwaysgetthemessage.Asaresult,fewgirlsexcelatmathsandscience.TopicSGirlsdon'tdoaswellatmathsandscienceasboys.M.ReasonsGirlsarenotencouragedtobuildupinterestinMathsandScienceTeachersdon’texpectgirlstobegoodatMathsandScience.Girlsdon’thavemanyrolemodelstolookupto.ConclusionAsaresult,fewgirlsexcelatmathsandscience.DetailsGirlsareencouragedtoplaywithtoysthathelpfosterlanguageandhumanrelationskillsTeacherspaymoreattentiontoboys,callonboysmoreoften.Therearen’tmanywomenmathsscienceteachers.MediafocusesonManMathematicianScientists.Girlsarenotinspiredtochoosetheseastheircareers