UNDERSTANDING AND USING LATITUDE

1 Name_1-2 Date_UNDERSTANDINGANDUSINGLATITUDEWhatIs LATITUDE ?HowIs It Measured?1. Linesof youtravelalonganyof theselinesyouaregoingeastor Theequatoris numbered0 degreesor 0". theequatoraresaidto ,placeA onthediagrambelowis onthe10 simplewayto write10 northis lOc:N".PlaceC is thelatitudeof PlaceB?from0 ,theequator,thelinesof latitudearenumberednorthandsouthto 90 .TheNorthPoleis 90':-N,andtheSouthPoleis 90' Hereis anopportunityto practicefindingthelatitudesof a numberof thelatitudeof placeD?I90'80'~ '70'./ A.~70'600/"60'500/org'\5000I.(\ \ \~ GH0\..'30\JI14500\/~O'60~/;~" '700<,/"70'800------'80'I043020010 o 10 20 3040N000300R200T100H00-100S200000U00TH__ ___If 10'o EQUATORO'S10010'C~O'0200 UTH3.)

2 ,onthediagramaboveyoucanseethattheequato r,thelOoNlineof Topreventmapsfrombecomingtooclut-teredwi thlines,mapmakersshowonlya fewlinesof LATITUDE , latitudethatare10 ~A:__--=-::..::.._G:_B:_H:_C:_1:D:_J:K:_ F:L:_6. is onthe60G:\"lineof lati-tude;C is onthe400 Nlineof latitudeseparate:E:_CfromD?_E fromF?_r>-U'1' ~a~e_Date_LOCATI~GPLACESWITHLI~ESOF LO~GITUDET heexercisesonthispagewillhelpyougainskil lin locatingplacesby longitude, ,youwillapplyyourknowledgeof Thelinesof latitudeonthediagrambeloware15 thelinesarenotnumbered, , Whatarethelongitudesof thefollowingpointsshownonthemap?

3 Remember:YoumustwriteE foreast,or Wforwestto prop-er ly Howmanydegreesof longitudearetherebetween:15 Eand45 E?_300 Wand900W?_300 Eand300W?_4. Everyplaceonearthisintwohemi-spheres(exc eptforplacesontheprimeme-ridian,180 lineof longitude,theequatororat theNorthandSouthPoles).Inwhattwohemisphe resis:PointH?_GHIABCDEFP ointG?_PointC? <:!::.;::Ns1-6 NaIDe_Date_LOCATINGPLACESWITHLATITUDEANDLONGITUDE1800165'1500135'1200 IDS'10075'liD'45'3D'IS'0'IS'3D'45'60075'90'IDS'120'135'ISO'165'180'20010000100200300I=>c:o~b~.I~jIet~~?~~~~"c"i.~~IJ:?..MDPC)80 ,10' It\&//J~I{[jjorP)"..~~ <..~.JV':-,~70~~~I~-ldiv'~~ 11~-v~.]}

4 ::.----i}:-c"--~t?-(IIcE- - -~- --~P7~,~.};?~<I, 'I~r\ ..J1~~R~ ,UI60~~Ml'-1~J'~i." ::~I~p!J ~150~~1~~.. ';1\rcV-D~w'1>#,',/IIr"\"I.~',-~-{--~-~-\\-!~~-~-~~I30 1--------1-----J-"'T-~--,20~~~.r I)f'I)~.111' ,11"-t-"liVv~,/~f:oor-II0'\I~I1\\ (!- ..~'"'J,=--flIU)nIIVh'\i10(120- --"--~----'1-"- -J1-<"'-1--1-1---1f-~-!--- 1-1t-~ o-r30yKIpI1'--'"'IILf"UIt';II4051I I,1Ii!1~+8 161II50~.. IIIIniEWORLDIIII60~#~"J_t- _1_r-_1_MercatorProjectionI I- - -- - - - - --r-i- l -t - r -1-,-I 'ISO'135'1200 IDS'SO'75'60'45'3D'IS'0'IS'3D'45'60'75'9 0'IDS'120'135'ISO'165'180'If friendssayto youthattheywillmeetyouonMainStreet,yourf irstquestionwillprobablybe,"WhereonMainS treet:"Yourfriendsmightthenreply,"We'llm eetyouat MainStreetandCherryStreet.

5 "Thenyouwouldknowexactlywhereto ,it is notenoughtosay,"Thecityissomewhereonlati tude40oN."Youhaveto mapreadingyouwouldgivethenumberof thelineof ,asyoucanseeonthemapthereis a largeX at thepointwhere400 Nis is importantto includeN or S, ,forexample,is a differentlinethanlOON;900 Wisa Printa G at lOON- 75" 60"S- l20~ J at 0 - 0 .3. Startat 400S- Moveeastward30 .c. Movesouthward20 .d. Moveeastward15".Printa dotandtheletterT wherethelinesof Whatletteris at:e. Whatis theposition?---------1-7 NaDle_Date_USINGLATITUDEANDLONGITUDETO MEASUREDISTANCESEASTANDWESTT heequator,whichis numbered0 , , anycircle,theequatorcircleincluded,there are360unitsof =1050milesPracticein computingdistancesontheequator:1.

6 Whatis thedistancein milesontheequa-torfrom0 longitudeto300W?Answer:30 X70miles= 2, Howmanymilesontheequatoris it from:b. 200W- 300W? lS"E? 15~E? ' ~.-<00-'--~.:.:::--~~aEne_1-8 Date_USI~GLATITUDEANDLO~GITUDETOMEASUREDISTANCESEASTA~DWEST-~ORTHA~DSOUTHT heequatoris 25, ,notalllinesof becausethelinesof ,the300 Nlineandthe300 Slineareabout21, ,600by360 , longitudeoncertainlinesof = (.1 '" "s~ ..~,, 60 ~. "~~,50 '!>". 50 /\<--, ~~'"<,40 ~"'\40 I~ ~,.~\30 30 I\20 20 I\o ~0,,"9~i."1"0~ ,. Ef>10 19~,0~ ~ ~~20 20.~~~~~~PracticeinFindingDistancesonVar iousLinesof LatitudeUsethediagramat thetopof thenextcolumnto findtheanswersto Howmanymilesis it fromA toB?)

7 An-swer:A degreeonthe50 "Nlineof betweenA andB, x 45miles= 1, Howmanymilesis it from:~_a. C to D? K to L?~~-----is,c. F to G?_d. M to K?_FindingDistancesonLinesof LongitudeJustastheequatorisabout25,000mi lesaround,soareallthelinesof ,everydegreeof latitudeonalineof longitudeis of x 70miles,or thatit LineDistanceIi,IPlacesof Longitudein MilesI!F to LIIIIA to K!,G to HIII,;!E to M!B to Ni