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1、EarthScienceName___________________Period_______Date______Ch.1pp.8-11EarthSystemScienceSpheresProjectEarthsystemsciencestudiesearthasasystemcomposedofinteractingpartsbycombiningtheknowledgeofseveraldifferentfields.Theearthisadynamicbodywithmanyinteractingspheres:hydrosphere,atmosphere,geosphere(l

2、ithosphere)andthebiosphere.Thespheresaresocloselyconnectedthatachangeinonesphereoftenresultsinachangeinoneormoreotherspheres.Whensuchchangestakeplacewithinanecosystemtheyarereferredtoasanevent.Eventscanoccurnaturally(earthquake)ortheycanbecausedbyhumans,(oilspill).Eventscanimpactonlyalocalregion(

3、forestfire)orworldwide(ElNino).Theinteractionofspherescanoccurasasingleevent,orasachainreactionwhereoneinteractionleadstoanother–itisarippleeffect.Forexample,aforestfire(event)maydestroyalltheplantsinanarea(biosphere).Theabsenceofplantscouldleadtoanincreaseinerosion--washingaway--ofsoil(biosphere

4、lithosphere).Increasedamountsofsoilenteringstreamscanleadtoincreasedturbidity,ormuddiness,ofthewater(lithospherehydrosphere).Increasedturbidityofstreamwatercanhavenegativeimpactsontheplantsandanimalsthatliveinit(hydrospherebiosphere).ESSAnalysis1.Findaphotoofanevent,oracurrentevent.a.Describethee

5、vent.b.Determineifitwasnaturalorman-made.c.Didtheeventimpactalocalregionalortheworld?2.Didtheeventcauseatemporarychangeinthespheres,orisitanongoingsteadyprocess?Explain.3.Whataretheeffectsoftheeventoneachoftheearth’sfourspheres?(eventsphere)Describehowtheeventhasaffectedeachofthefourspheres.Hydro

6、sphere:___________________________________________________________________Atmosphere:____________________________________________________________________Geosphere:_____________________________________________________________________Biosphere:_______________________________________________________

7、_______________4.Whataretheeffectsofthechangesinoneoftheearth’sspheresoneachoftheotherspheres?(spheresphereinteractions)Listanddescribeachain-reactionofchangesthatmayoccurinyoureventeachofthe6spheretosphereinteractions