abstract - exploremars摘要:exploremars

abstract - exploremars摘要:exploremars

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時間:2019-03-04

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1、AbstractTheinclusionoftopicsrelatingtotheexplorationofplanetswithinandoutsideoursolarsysteminhighschoolscienceclasseswillincreasestudents’interestinSTEMdisciplines.Thesetopicscanprovideacontextforlearningaboutterrestrialprocesseswhileatthesametimeinstillingasenseofaweinthestudentsas

2、aresultoftheirexposuretotheendlesspossibilitiesthatliewithintheuniverse.Oneofthemostexcitingpossibilitiesforhumankindisthatlifeexistsbeyondourownplanet.Thelevelofstudentinterestthatthistopicgeneratesprovidesanopportunitytoengagestudentsinclassactivitiesthathelpthemunderstandstellara

3、ndplanetbasedprocessesthatguidecurrentextraterrestriallifeseekingresearch.Starsprovidetheenergytofuellifeonourplanet,alongwiththeelementsusedtobuildthemoleculesthatarefundamentaltoalllivingthings.Thefirstactivityhasbeendesignedtohelpstudentsrelatestellarcharacteristicstothedevelopme

4、ntoflifeonaplanet.Inthisactivitytheconceptofa“HabitableZone”surroundingastarisintroduced.ScientistsestimatethatMarslieswithintheHabitableZoneofoursunbutdoesnotharborthediversityofcomplexlifeformsfoundonEarth.Inthesecondactivitystudentsareaskedtoresearchsomeofthephysicalcharacteristi

5、csofeachplanetalongwithsomeofthegeologicalandmeteorologicalprocessesthatoccuroneachplanetandidentifyhowthosedifferencesimpactthedevelopmentoflifeoneachplanet.Inthethirdactivitystudentswillresearchdifferentgroupsofterrestrialextremophiles.Thiswillhelpstudentstobetterunderstandhowtheb

6、oundariesoftherangeoftoleranceforlifehavebeenexpandedandhowthathasprovidednewhopethatlifecanbefoundonMars.Thefinalactivityhasbeendesignedtoconnectalltheconceptspresentedinthepreviousthreeactivities.Inthisactivitystudentswillbegivenasampleof“MartianWater”andperformaseriesofexperiment

7、stodetectthepresenceoflivingorganisms.TheactivityisdesignedtouseMarsasacontexttohelpstudentsimprovetheirunderstandingofthefunctionaldefinitionoflifeaswellasdesigningandperformingcontrolledscientificexperiments.BackgroundInformationTheactivitieshavebeendesignedtoreinforceconceptsthat

8、arenormallyincluded

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