In the margin, write today’s ESSENTIAL QUESTION. On the back of your folded paper, write the definition of plate tectonics. plate tectonics: the theory that explains how large pieces of the Earth’s outermost layer move and change shape. Read Convergent Boundaries Convergent Boundaries “Come T...
Chapter 4: Plate tectonics The evidence for the theory of plate tectonics has been accumulating for 400 years. It is only since the 1960’s that this theory. Continental Drift The Beginning of Plate Tectonics. Continental Drift. Note the Shapes South America & Africa: They Match! What about ...
2-第二讲--Plate---Tectonics--1PPT优秀课件 第二讲PlateTectonics 1 preface Thesignificance板块构造的科学意义Theplatetectonicsnotionhas profoundlychangedthewayweviewtheearth.Intheearly1960s,theemergence（出现）ofthetheoryofplatetectonicsstartedarevolutionintheearthsciences.Theplatetectonicstheoryistheresultofthe...
1第二讲Plate Tectonics2prefaceoThe significance 板块构造的科学意义板块构造的科学意义oThe plate tectonics notion has profoundly changed the wa
1.Howweknowplatetectonicshappens DatingtheBreakup 1.Howweknowplatetectonicshappens FrankTaylor Insomerespects,Taylor’sideasweremoremodernthanWegener’s TayloralwaysthoughtWegenerhadstolencreditfromhim 1.Howweknowplatetectonicshappens FrankTaylor RecognizedroleofMid-AtlanticRidge ...
7.Catastrophicphenomenarelatedtoplatetectonics 有關板塊構造的災難性現象(P18-19)1.StructureoftheEarth地球的構造 1.Core地核:•thehighestdensity:密度非常高Veryhigh•temperature溫度非常高：>3500℃ 2.)Mantle地幔 •Lower下部:solid固態•upper上部:liquid液態(nearcrust近地殼)•semi-plasticstate半膠狀態...
Theory of Plate Tectonics What Wegner knew… Continents fit together like a puzzle Similar fossils found on different continents A continent has gone through climate changes due to its location on Earth Similar rock formations on different continents ...
板块构造 Plate Tectonics Canada’sGeologicHistory Introduction Cross-sectionofEarth TheEarth’ssurfaceisathinlayerofmovingplates,floatingonmorefluidlayersofmoltenrocksurroundingtheEarth’score.•About300millionyearsago(MYA),theplateswereonelargeplateorsupercontinentcalledPangaea.•Overmillionsofyears,theplates...
Plate Tectonics CONTINENTAL DRIFT Skim through section 1 of your book. Write three questions that come to mind from reading the headings and examining. By: Ann Wolf. plates Earth’s crust isn’t one piece, it’s broken into pieces called plates The plates constantly move all over the world...
初中课外拓展英语 plate tectonics EarthMaterials–GeologyPlatetectonics Whyhaveallthemountainsnotwornawaybynow?EarthStructure •Radius6300-6400km•Thincrust•Mantleextendsalmosthalfwaytothecentre•Thecoremakesuptherest Composition •Lowdensitysolidcrustfloatingonanalmostsolidmantle•ButoveralltheEarthisdense...