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Unit1OurlivingplanetP5ExtendedreadingInsidetheEarthWhatdoyouknowabouttheinsideoftheEarth?WhatistheinsideoftheEarthmadeupof?AndWhatarethefeaturesofeachpart?Crust(地壳)Mantle(地幔)Innercore(内核)Outercore(外核)Core(地核)athinlayerofrockontheEarth'ssurfacehot,slow-movingrockbelowthecrustandsurroundingthecoreNowlet'sreadthearticleandcomicstripfromasciencemagazineabouttheinsideoftheEarthtolearnmoredetails.ReadforstructureInsidetheEarthPara.1:Introductiontothetopicofstudyingthe________________oftheEarthPara.2:The__________ofstudyingtheinsideoftheEarthPara.3:Theother________ofstudyingtheinsideoftheEarthPara.4:The______________________ofstudyingtheinsideoftheEarthchallengesbenefitsimportance/significanceinternalstructureWriteasummaryofthesciencemagazinearticle.Usethefollowingideastohelpyou.•TheEarth'sinternalstructure•WaystolearnabouttheinsideoftheEarth•ChallengesofstudyingtheinsideoftheEarth•BenefitsofthestudyP12AStep3Reading
AnswerthequestionsbelowaccordingtothearticleonP11.(1)WhatarethewaystolearnabouttheinsideoftheEarth?Analyzingearthquake
waves
anddrillingverydeepholesintotheEarth.
(2)WhatarethechallengesofstudyingtheinsideoftheEarth?TheEarth’sintensepressureandheat,aswellasthedifficultyinchoosingtherightplacetodrill.(3)WhatarethebenefitsofstudyingtheinsideoftheEarth?ItnotonlyenablesustogainabetterunderstandingofthegeologyoftheEarth,butalsoopensupmanypossibilitiesforlifeaboveground.Possibleanswer:4metresThedeepestknowntreerootsThedeepestundergroundlaboratoryAttheplacewherediamondswereformedInthelowermantleAtthecentreoftheEarth123430,000metres750,000metres2.9millionmetres6millionmetresPressure◆Itislike131elephantsformingatowerontheirheadandtheygeta
headache.◆Itseems3,280elephantsstandingontheirhead.◆Itseemsthereareabout17,000elephantsbalancedontheirhead.◆Itseemsover47,000elephantsontheirhead.Step3ReadingStep3ReadingStep3ReadingStep3ReadingHomework1.Dictatethenewwordsandexpressions.2.FinishExxonQP.PartConPage58:1.Hardlydoesheplaygamesinhisleisure/spare/freetime.2.Undernocircumstancesshouldyougiveawaythissecrettoothers.3.Analysingyourstrengthsandweaknesses
accountfor
betterunderstandingofyourself.4.Thelastcenturywitnessedgreatprogressinthefieldofmedicine.5.
Doyouknowwhoseexperimentcast
/throwlightontheconnectionbetweenlightningandelectricity?6.
Thecitygovernmentsparednoeffort/makeeveryendeavour
to
increase/arousepublicawarenessofenvironmental
protection.7.Uponhearingthenews,shewashappyandworriedinequalmeasure.8.Ithasbeenuniversallyacknowledged
that
materialwealthcannotguaranteehappiness.Unit1OurLivingPlanetProjectUnusualNaturalPhenomenaLead-inStep1Enjoyasmallvideoofunusualnaturalphenomenaandtellushowyoufeelaboutthem.polarlightsHowdoyoufeelwhenyouseethesepictures?akindofnaturalphenomenonDoyourresearchandfindoutrelevantinformation.UsetheexampletohelpyoutomakeyourPPTslides.Atanygivenmoment,thesunisejectingchargedparticlesfromitscorona,orupperatmosphere,creatingwhat'scalledthesolarwind.WhenthatwindslamsintoEarth'supperatmosphere,theaurora
/ɔːˈrɔːrə/
极光isborn.PolarLightsMoonbowMoonbowsorlunarrainbowsarerarenaturalatmosphericphenomenathatoccurwhentheMoon’slightisreflectedandrefractedoffwaterdropletsintheair.VolcanicLightningVolcaniclightningisanelectricaldischargecausedbyvolcaniceruptions.Volcaniceruptionsor"dirtythunderstorms"becauseoficeformationandmoistconventionoftendrivestheeruption-plume/columndynamic,whichultimatelytriggersvolcaniclightning.SailingStonesThesailingstones,orslidingstones,atDeathValley,havebeenobservedandstudiedsincetheearly1900s.Itwaslongthoughtthatstrongwindspushedthestones.Morefancifultheoriesinvolvedmagneticfields.BlueVolcanoExposedtotheoxygenpresentinairandsparkedbylava,thesulfur
硫磺burnsreadily,anditsflamesarebrightblue.GreenSandBeachAspecial,raretypeofvolcaniceruption
bringsthegreenolivinecrystalsuptothesurface.Wheninteractingwiththecoldoceanwater,theyshattersintotinypieceswecallsand,thusformingthisextraordinarygreensandbeach.Whatarethetypicalcharacteristicsaboutnaturalphenomena?naturalphenomenonobservablemysteriouscausepowerfulrareWhatnaturalphenomenadoyouknow?naturalphenomenonmoonbowKarstlandformvolcaniclightinggreensandbeachredcrabmigrationsolareclipseredcrabmigration…PreparingandresearchingStep2Ifyouaregoingtointroduceonenaturalphenomenontoyourclassmates,whatnaturalphenomenonwillyouchoose?Why?PreparingandresearchingStep2Whataspectscanyouresearchthechosennaturalphenomenon?naturalphenomenonWhatitisWhenitoccursWhereitoccursWhatthepossiblecausesareSearchforinformationfromdifferentresources.Wherecanwegetspecificinformationweneed?InternetLibraryMagazinesNewspaperWeChat
subscriptionsBooks…Tips:checkthedateoftheinformationyoufind,whetherprintedoronline;checkthesourceoftheinformationyoufind.Generallyspeaking,informationfromofficialsourcescanbetrusted,suchasauthoritivewebsite.Let'stakemirageforexample.PreparingandresearchingStep2Preparingandresearching1
Step2Pleasereadthe
example
inthetextbookandfindoutthebasicfeaturesofthePPTslides.•Thelanguageisclearandconcise,andstressesthekeypointslogically.•Thepicturesareclearandmatchthecontentsproperly.•Thelayoutisneatandbeautiful,andtheoverallstyleisconsistent.*Arrangethecontentslogically.*
Usekeyphrasestodescribesomeaspects.*Userelatedpicturesor
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