Science Pioneers

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SciencePioneers OnMay21,1804,MeriwetherLewis, theycouldbestudiedlateron?Jefferson WilliamClark,andasmallgroupsetoff wantedLewistoknowhowtocollect toexploretheLouisianaTerritory.The andpreserveplants.Sobeforethetrip UnitedStateshadjustboughtthisland began,JeffersonsentLewistotrainwith fromFrance. plantexperts.Lewislearnedhowto PresidentThomasJeffersonasked writedowninformationaboutaplant’s LewisandClarktobringback location,color,andgrowingconditions. informationontheterritory’sland, Helearnedhowtolayaplantinsidea wildlife,andplants.Jeffersonalso simplewoodenpresstodryit. wantedthemtofindlandandwater Preservingplantsinthiswayallowed routestotheWest.Theexplorersknew expertsbackeasttostudytheminclose thattheywouldfacemanychallenges totheirnaturalstate. ontheirlongtrip. Thelanguagebarrierwouldbea hugechallengethroughoutthetrip. LewisandClarkwouldcrossthe territoriesofmanynativepeoples.The explorerspreparedbyhiringtranslators includingToussaintCharbonneauand St. Louis hiswife,Sacagawea.Charbonneauhad Louisiana Purchase livedamongnativepeoplesforabout tenyears.SacagaweawasaShoshone Lewis and Clark whohadalsolivedamongtheHidatsa. trail Thiscouplehelpedtheexplorersmake peacefulcontactwithmanygroups. Mappinganunknownroutemight InNovember1805,LewisandClark alsobeachallenge.Theexplorers sightedthePacificOcean.Theexplorers preparedbytakingmanymapmaking thenreturnedeast.Theyreached instrumentswiththem.Alongthe MissouriinSeptember1806. journey,ClarkworkedwithLewisto Themissionopenedanewworldto takemeasurementsoftheland.Clark theAmericansoftheearly1800s.The usedthisdatatodrawmaps.Bytheend explorershadbroughtbackjournals, ofthejourney,Clarkhaddrawnover maps,plants,andotheritems.The 100maps. missionwascompletedwiththelossof PresidentJeffersonwasoneofthe justoneman,whodiedofanillness.By leadingscientificmindsofhistime.He thosestandards,LewisandClarkhad wantedtheexplorerstobringseedsand ledoneofthemostsuccessful plantsfromtheWestforfurtherstudy. explorationsinhistory. Buthowcouldplantsbepreservedso ™ ©AdvancedAssessmentSystems/LinkIt!Duplicationisrestrictedtolicenseesonly.

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