Plate Tectonics and Con/nental Dri · I) Plate Tectonics • The Earth’s crust is divided into 12...
Transcript of Plate Tectonics and Con/nental Dri · I) Plate Tectonics • The Earth’s crust is divided into 12...
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PlateTectonicsandCon/nentalDri2
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Drawthefollowingchartinyournotebook.Fillinthe“K”withwhatyouknowaboutPlateTectonics.Fillinthe“W”withwhat
youwanttoknowaboutplatetectonics.
K W L
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Ques6ons/Ac6vity
1)Describewhatthisimageshows?
2)Predicthowcanthisimagebeusedtolocateareasofearthquakesandvolcanicac/vity?
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3)Howisthisimagerelatedtothemaponthelastslide?Besuretousethekeytohelpyou
understandthemap?
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I)PlateTectonics• TheEarth’scrustisdividedinto12majorplateswhichmoveinvarious(different)direc/ons.
• Thisplatemo/oncausesthemtocollide,pullapart,orscrapeagainsteachother.
• Theresultofthesemo/onscanbeearthquakesortheforma/onofvolcanoesandmountainranges.
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Ac6vity-PlateBoundaries
-Drawthethreedifferentplateboundariesinyournotes.-Besuretolabeleachboundaryandgiveyourdrawinga6tle.
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II)DivergentBoundaries– Platesaremovingawayfromeachother.
– Thesecanformoncon/nentsandattheboLomoftheocean.
– Volcanoescanformattheselines.
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III)ConvergentBoundaries• Boundariesthatmove(collide)againsteachother.
• Theplatethatisdenser(heavier)willgounderneaththeplatethatislessdense(lighter).
• Mountainrangesandvolcanoescanformthisway.
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IV)TransformBoundaries• Platesthatmoveagainsteachother.
• Whentheplatesmovepastoneanotherthiscancausestressandfric/onontheplatesandmakeEarthquakes.
• TheSanAndresFaultisoneexampleofthisboundary.
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V)TheRingofFire• ThiszonealongtheedgesofthePacificOceanplateboundarieshasmanyvolcanoesandearthquakes.
• About90%oftheearth’searthquakeshappenhere.
• About75%oftheworld’svolcanoesarelocatedinthisarea.
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Ques6on/Ac6vity
• Volcano101:Na/onalGeographic– hLps://www.youtube.com/watch?v=uZp1dNybgfc
• Top5VolcanicErup/onsinHistory– hLps://www.youtube.com/watch?v=3iCJL9dYZK8
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4)Usingthenotesyoutookaswellasthevideosabove,explainhowtectonicplatescanformvolcanoes.
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Ques6ons/Ac6vity
• Earthquakes101:Na/onalGeographic– hLps://www.youtube.com/watch?v=e7ho6z32yyo
• BiggestEarthquakeEverRecorded– hLps://www.youtube.com/watch?v=ZyquauwqJ3c
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5) Whataretwodifferentcausesofearthquakes?
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Ques/ons/Ac/vity
6)Whatdoyoubelievea“theory”is?7)Doyouthinkthatthesevencon/nentscouldfittogetherlikepuzzlepieces?Whyorwhynot?
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VI)PlateTectonics-TheoryofPangaea
• Some scientists believe the seven continents were one super continent millions of years ago.
• This super continent was called
Pangaea • Prove it! Scientists use the
similarity of rock types and fossil types from different continents that date to the same age.
• This information helps support the
theory that the continents were connected to form a super continent.
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Ques/ons
8)Usingtheinforma/ononthepreviousslide,describetheTheoryofPangaea.9)Whatdoscien/stsusetoprovetheTheoryofPangaea?
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TheBreakupofPangaea
• Somescien/stsbelievethatthemovementofthetectonicplatesmovedcon/nentsawayfromeachotherovermillionsofyears.
• Evidenceisseeninsimilarrocksandfossilsondifferentcon/nents.
VII)Con/nentalDri2Theory
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Ques/ons/Ac/vity-PlateTectonicsToday
• Watchthefollowingvideostoseehowthecon/nentsmovedandwhatthecon/nentswilllooklikemillionsofyearsfromnow!
• Answertheques/onsa2erwatchingthevideo. hLps://www.youtube.com/watch?v=hSdlQ8x7cuk
10)Whatdidyouseehappeninthevideo?11)Howlongdidittakeforthistohappen?12)Whatdidthevideopredictwouldhappentothecon/nentsinthefuture?
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FinalQues/on
13)DoyoubelievetheCon6nentalDriRTheory?Whyorwhynot?Useevidencefromyourdiscussionnotestosupportyouranswer. -5-6sentences