Sunday, December 11, 2011

Continental Drift and Plate Tectonics

Who first came up with the concept of Continental Drift?  What is the name of the super continent that existed over 1 million years ago?  What are convection currents and what do they have to do with Continental Drift and Plate movement?  How does convection currents cause movement in the mantle?  What is subduction?  What might crustal movements cause?  Click on the link below and then on Plate Tectonics then on Continental Drift.


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74 comments:

  1. Rheanna Barry, Nate Horning, Jalynn Johnson, Maddie LindemannDecember 12, 2011 at 6:48 AM

    Alfred Wegener first came up with the concept of Continental Drift. The Pangaea is the name of the super continent that existed over 1 million years ago. Convection currents are currents that are in the mantel. The movement of the currents are like the movement of the convection currents in a breaker of boiling water.

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  2. Alex Stevens, Lorraine Lowery, Julia GlennDecember 12, 2011 at 6:49 AM

    Alfred Wegener came up with the concept of continental drift. One million years ago there existed a super continent called Pangaea. Convection currents are like the currents (water movements) in a beaker of boiling water. Convection currents occur in the mantle of the earth, and this causes the plates to move. Convection currents start when magma heats up and rises. Then the magma spreads out and plates move apart. Lastly, the magma sinks, causing the plates to be dragged together. This is called subduction.

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  3. Alex Stevens, Lorraine Lowery, Julia GlennDecember 12, 2011 at 6:51 AM

    @ Rheanna Berry, Nate Horning, Jalynn Johnson, Maddie Lindemann

    I agree that the convection currents are like the currents in a beaker of boiling water. (Water rises, spreads out, sinks, and comes back together.

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  4. Brett Kron, Dylan Noble, Drew FitzGibbonDecember 12, 2011 at 6:51 AM

    Alfred wagner first came up with the idea of the continental drift. The super continent was call Pangaea. Convection currents are similar movements to movements a beaker of boiling water. Convection currents cause the plates to move. It causes the magma to rise then sink back into the ground and move the plates. When the magma sinks into the ground and moves the plates. Crustal movements might cause separation in the land.

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  5. Alfred Wegener was the first to come up with the concept of Continental Drift. Pangaea is a super continent that included all of the continents that existed over 1 million years ago. Convection currents are the currents that are in the mantel. The movement of the currents are similar to the currents in a breaker of boiling water.

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  6. Abby Coogan and Jenny KeyserDecember 12, 2011 at 6:53 AM

    The person who first came up with the concept of the 'Continental Drift' was the German scientist Alfred Wegener. The super continent is called Pangaea. A convection current is the movement of magma underneath the surface of the Earth (in the mantle). Convection currents help the movement of the mantle because the magma rises up and helps for the tectonic plates to move. Subduction is the repeated heating and rising of the magma that sets up continuous convection currents in the mantle, which causes the tectonic plates to move. Crustal movements can sometimes cause earthquakes.

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  7. @Rheanna Barry, Nate Horning, Jalynn Johnson, Maddie Lindemann. I agree that the convection currents are like the currents in a beaker of boiling water.

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  8. Rheanna Barry, Nate Horning, Jalynn Johnson, Maddie LindemannDecember 12, 2011 at 6:54 AM

    @ Alex, Lorraine, and Julia:
    Thanks for explaining that process. We are were kind of confused about it, maybe because we didn't read enough or we just did not understand it?

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  9. Brett Kron, Dylan Noble, Drew FitzGibbonDecember 12, 2011 at 6:55 AM

    @ Alex
    We agree with everything you said.

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  10. Matthew Murphy and Bryant WintersDecember 12, 2011 at 6:56 AM

    Alfred Wegener, formed the idea of continental drift. The name of the super-continent was Pangaea. The convection current is the movement of molten rock in the mantle. The plates float and move on this molten rock. The plates move apart when the magma spreads out and comes together when the magma sinks. Subduction is when the magma sinks and causes the plates to come together. Crustal movement might cause the formation of volcanoes.

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  11. Taylar,Carly,Brooke,LizDecember 12, 2011 at 6:57 AM

    Alfred Wegener was the person who came up with the concept of continental drift.the super continent that existed over 1 million years ago was pangaea. convection currents are just like water movements of boiling water.The plates move because the convection currents take place in the mantle of the earth. When the magma sinks, the plates are dragged towards each other it is called subduction.

    ~Brooke C, Taylar H,Carly S ,Liz S

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  12. Jesse Noell Eric Fischer Dallas Blasek Ross CampbellDecember 12, 2011 at 6:58 AM

    The first one to invent the concept is Alfredt Wegener and the first name was Pangaea.they broke into pieces due to the weaknesses in the earth's crust as they were made up of less dense materials, which drifted centimeter by centimeter over millions of years. They could create large earth quakes.

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  13. Matthew Murphy and Bryant WintersDecember 12, 2011 at 6:58 AM

    @Rehanna Barry, Nate, Jaylnn, and maddiline

    You guys completely forgot to answer the crustal movement question.

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  14. Jenny Keyser and Abby CooganDecember 12, 2011 at 7:00 AM

    @Brett Kron, Dylan Noble, Drew FitzGibbon

    We both agree with you guys.

    P.S.- Alfred Wegener came up with the concept of the Continental Drift, not Alfred Wagner. ;)

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  15. @Brian S
    We agree with you.

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  16. Carly,Liz,Taylar,BrookeDecember 12, 2011 at 7:01 AM

    @Rheanna,Jaylyn,Nate,and Maddie

    we agree that convection currents are like currents in a beaker of boiling water.

    ~Carly S, Liz S, Brooke C, Taylar H

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  17. Alfred wegener found the idea of the continental drifts. The super continent was pangaea. Convection currents are the movement of molecules within a liquid. The molecules of the magma move around like in a beaker. The rising and heating of magma reapetly. It causes the plates to move.

    Wade Stenger And Zach Schmidt

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  18. @ Rheanna you spelt beaker wrong but i agree with your statement.


    Wade & Zach

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  19. Alfred Wenger came up with the Continental Drift. The super Continent was the Pangaea. Convection currents are in the mantel, convection currents are like the movement in water boiling beaker. Subduction is the heating and rising repeatedly of magma. Crustal movements might cause separation in the earth.

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  20. Sydney Stedam and Lexi McAfeeDecember 12, 2011 at 7:26 AM

    Alfred Wegener was the first person to come up with the concept of continental drift. 1,000 years ago, there was a super-Continent called Pangaea. Convection currents are like the currents in a beaker of boiling water. Convection currents happen in the mantle of the earth, and this makes the plates move. Convection currents start when magma heats up and rises. Then the magma spreads out and plates move apart. Then the magma sinks, causing the plates to come together, which is called subduction.

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  21. Sara Bloemker and Maggie HooverDecember 12, 2011 at 7:27 AM

    The comment that just says Maggie Hoover is also from Sara Bloemker...

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  22. Alex Anderson, Kamal WilliamsDecember 12, 2011 at 7:29 AM

    Alfred Wegener first came up with continental drift. The super continent is called Pangaea. Convection currents are currents that are in the mantle. The movement of the currents are like the movement of convection current in boiling water.

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  23. alfred wegener first came up with continentel drift. the super continent was pangea. convection currents are the movement of magma underneath the earth's crust. when the mgma is constantly rising and heating it causes plates to move.

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  24. Sam Gunther and Charlie RainesDecember 12, 2011 at 7:31 AM

    Alfred wegener discovered Continental drift. Pangaea was the name of the super continent.They are currents in the earths mantle and they move the earths crust around.magma rises up from under the earths crust and moves the plates.when the magma sinks the plates move towards each other this is called subduction. they might create earthquakes.

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  25. Alfred wegener came up with the idea of continental drift. The super continent is Pangaea.the convection current is the molecules in a liquid. the convection current happens in the mantle and causes the plates to move around. subduction is when the magma sinks and the plates go up.

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  26. Alex Anderson, Kamal WilliamsDecember 12, 2011 at 7:33 AM

    @Abby Coogen and Jen Keyser

    We Agree with your statement because, we have the same thing.

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  27. Bailee, Kat and MearaDecember 12, 2011 at 7:34 AM

    Wegener came up with the idea of contiental drift. The name of the super continent was Pangaea. Molecules within a liquid is a convection current. the rising and heating of lava causes the plates to move.
    Bailee: Wow, what do you think would happen if Pangaea still existed?! Who would rule!? What language would we learn?! Those are a few of my questions. Please answer. I don't wanna live on Pangaea!!!
    Kat: I think that river, mountains and other eographical features would divide people so more than one person would rule and language could also develop. There would probably be islands which can also develop languages and culture; however, culture and language would be very different.
    Meara: I think that if there was Pangaea now that we would all be too close together and that there would be more wars and illegal aliens.
    Bailee: Please help me!!

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  28. Continental Drift came from Alfred Wenger. The one continent on earth was Pangaea. Subduction is the heating and rising lava as magma. Crustal movements can lead separation in the earth.

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  29. Alfred Wegener was the person to discover continental drift. Pangaea was the name of the supper continent. Magma is what rises up from the earths crust and moves the plates around.

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  30. @Budde, Finn, Brad
    That's what everyone has! Coincidence?

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  31. Bailee, Kat and MearaDecember 12, 2011 at 7:39 AM

    @ Everyone
    Bailee: How would you feel about living on Pangaea? Who do you think we would have as a ruler? Or what language do you think we would speak?
    Kat:I don't think that it would be very good to live in Pangaea.
    Meara: I agree

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  32. @Rheanna Barry, Nate Horning, Jalynn Johnson, Maddie Lindemann
    Oh yeah, your right, it is kind'a like boiling water!

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  33. Alfred Wegener created the first concept of the continental drift. The name of the super continent over 1 million years ago was named Pangaea. Convection currents are very hot materials at the deepest part of the mantle. Convection currents cause floating around in water, because the mantle of the earth is moving around. Subduction is process which one plate pushes down another. Crustal movements might cause the separation of the land.

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  34. alfred wenger came up with the idea of contional drift pangaea existed over 1 million years ago.they broke because the earths crust was to soft and weakn they drifted away over millions of years and could cause earth quakes

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  35. @Bailee, Kat and Meara

    I think it would be kind of cool to live on one big continent, but it would be bad for transportation. other than that not much would change.

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  36. @ bailee
    wow i've never thought of that i wonder what would happen if pangea still exised too.

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  37. Maggie Hoover and Sara BloemkerDecember 12, 2011 at 7:43 AM

    @ Will and bailee and meara and kat


    We agree it would be fun(:

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  38. @ Sam & Charlie
    We agree that Pangaea is the name of the super continent but we think the convection current is made up of molecules in a liquid not the earths mantle. That is where the convection current happens.

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  39. Sam Gunther and Charlie RainesDecember 12, 2011 at 7:43 AM

    @ Jesse Noell Eric Fischer Dallas Blasek Ross Campbell
    Pangaea was the name of the super continent not the name of the concept

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  40. @taylor,brooke Carley and Liz
    Iagree with you and thought it was very well written there was a lot of interisting facts.

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  41. Bailee, Kat and MearaDecember 12, 2011 at 7:44 AM

    @ W!ll
    What about fighting for control and religon and culture? That would change.

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  42. Wegener came up with the idea of contiental drift. The name of the super continent was Pangaea.drift. Convection currents are like the currents in a beaker of boiling water. Convection currents cause the plates to move. It causes the magma to rise then sink back into the ground and move the plates. When the magma sinks into the ground and moves the plates. Crustal movements might cause separation in the land.

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  43. Mrs.Hoffman
    A German scientist named Alfred Wegener came up with the idea continental drift.He argued that the continents were one land mass called Pangaea.It broke into pieces do to the weakness of the earths crust.He thinks the land was one and drifted apart after millions of years.

    ~Kylie Lonneman

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  44. Conner zang,
    I like how you explained the convection currents in your paragragh.

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  45. Erin Pegg, Chyanne Beregr, and ManasatalleyDecember 12, 2011 at 8:53 AM

    Alford Wegner came up with the idea.the is name Pangaea.convection currents are like something boiling in something hot.it causes the plates to move. The magama goes up and then goes back down to the ground and moves the plates.if the crustal moves then it vould cause seperation on the land

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  46. DJ,Jordan(; and Smriday:DDecember 12, 2011 at 8:57 AM

    Well plate tectonics are what made all the contenints split and make them away from each other.

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  47. Erin Pegg, Chyanne Beregr, and ManasatalleyDecember 12, 2011 at 8:58 AM

    @Conner Zang,

    Our group likes that you put an example up about it.i like how you put out good detail about it.

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  48. brandon gardner and brandi luers
    the guy that event the plate was a asia connent .

    the diffence beetween : plate tections, contiention tectious , is the way they make diffent resoures of many kinds of theings people may do . brandon knows that plate and contiention is diffent from many diffent theings cause of what they do and make . i know that many people are really diffent when they use this resoures .


    i dont know what they means and im not trying . but ill learn

    it might cause : bad theings had happend to people when they use this type of theing ..


    the end brandon gardner

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  49. Keagen Gulley and Derek EllisDecember 12, 2011 at 9:26 AM

    Alfred Wegener came up with the concept of continental drift. The name of the super continent was Pangaea. A convection current is the movement of magma underneath the surface of the Earth, witch move's the plate's. Subduction is the process by which collision of the earth's crustal plates results in one plate's being drawn down or overridden by another.

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  50. Jessica Rentz and Olivia GundrumDecember 12, 2011 at 9:26 AM

    A German Scientist named Alford Wegner created Continental Drift.He argued that todays continents once formed a single landmass or what is called Pangaea.The land broke into pieces creating our continents because of the fail of earth's crust.The pangaea split into plates also.

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  51. I think that the process of boiling water is the same as the process of the magma.

    Johnathon, I know that water boils at 120 Farenhight so sence magma is less dence it takes less time to go througt its cycle.

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  52. Corey Allen, Hannah Basil, Rachel SchillerDecember 12, 2011 at 9:30 AM

    Alfred Wegener came up the continental drift. The super continent that existed 100 million years ago is called Pangaea.These currents are similar to the movement of convection currents in a beaker of boiling water. Convection currents occur in the earths mantle and it causes the earths plates to move. Subduction is
    when magma sinks and then the plates are dragged towards each other. Crustal movements can possibly cause earthquakes.

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  53. rachelle kuebel, olivia ogden and kaylin applegateDecember 12, 2011 at 9:32 AM

    Alford Wegner came up with continental drift. He argued that the continents made up one called a Pangaea and it broke apart because of the earths crust, these created plates.

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  54. Danny McCarthy & Matt SchapkerDecember 12, 2011 at 9:32 AM

    Alfred Wegener formed the idea of continental drift. The name of the super-continent was Pangaea. The convection current is the movement of molten rock in the mantle. The plates float and move on this molten rock. The plates move apart when the magma spreads out and comes together when the magma sinks. Subduction is when the magma sinks and makes the plates to come together. Crustal movement might cause the formation of volcanoes.

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  55. @ Simon & Johathon
    I do not think the process of boilig is not the same as the process of magma.

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  56. Hannah Basil, Rachel Schiller, and Corey AllenDecember 12, 2011 at 9:35 AM

    @ Matthew Murphy and Bryant Winters
    we also agree with your conversation. we thing that you worded it very well.

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  57. @ Conner Zang

    do u think thant the land forms will come closer together in the futer.

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  58. Rachelle kuebel, olivia ogden and kaylin applegateDecember 12, 2011 at 9:36 AM

    @ corey , hannah and rachel
    we agree with you that it caused the earthqwake.

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  59. Danny McCarthy & Matt SchapkerDecember 12, 2011 at 9:36 AM

    @ Matthew Murphy and Bryant Winters
    We agree with you that crustal movement might cause the formation of volcanoes.

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  60. German scientist Alfred Wegener formed this idea of Continental Drift.The Pangaea split up into plates and drifted over the millions of years.
    we had trubble finding answers

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  61. Joe and Ben schapker adn Nick SferrazzaDecember 12, 2011 at 9:42 AM

    Alfred Wegener developed the idea on continental dreft. The name of the super continent 1 million years ago was called Pangaea. The convection currents are currents in the mantle that cuase the plates to move. It cuases movement in the mantke by the magma that has risen spreads out beneath the plates. As the magma spreads out, the plates are dragged along.magma sinks, the plates are dragged towards each other. not finished

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  62. The name of the man who made continental drifts is Alfred Wegener. The name of the 1 million year old continent is Pangea. Convection currents are, it says in the passage that it is possible for the plates to move due to the convection currents in the mantle. Convection currrents, they have to do with plates. The movement of these current is similar to the movement of convection currents in a beaker of boiling water. In the beaker water that is heated expands and rises to the surface of the beaker. Water that has risen spreads out across the surface, cools and sinks to the bottom. Similarly, the magma that has risen spreads out beneath the plates. That has to do with the continental drift. It is possible for the plates to move due to the convection currents in the mantle by repeated heating and rising of the magma sets up continuous convection currents in the mantle. Subduction is when the magma sinks, the plates are dragged towards each other. Crustal movements can cause movement of the earth.

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  63. Good job, Connor

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  64. The name of the man who came up with the concept of continental drift is Alfred Wegener. The name of the 1 million year old continent is Pangea. Convection currents are currents in the mantle that cause the plates to move. Subduction is when the magma sinks and the plates move together. Crustal movements might cause earthquakes.

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  65. @ Abby Coogan and Jenny Keyser

    I like how you worded your answer.

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  66. The first person to come up with the Continental Drift was Alfred Wagener who invented a super continent named Pagenea. Subduction is the process in which one plate gets pushed underneath another.-Dominic Deutsch

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  67. i agree with you jonathan and i think you put alot of effort but maby too much good work

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  68. Alfred Wegener did.Pangaea.The movement of these currents is similar to the movement of convection currents in a beaker of boiling water. Water that is heated expands and rises to the surface of the beaker. Similarly, the magma nearer the core expands and rises. is the process in which one plate is pushed downward beneath another plate into the underlying mantle when plates move towards each other.Earthquakes.

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  69. German scientist Alfred Wegener formed this idea of Continental Drift. He argued that todays continents once formed a single landmass, which he named Pangaea (Greek for "all land"). It broke into pieces due to the weaknesses in the earth's crust as they were made up of less dense until they arrived at where they are now. Figure 1.5 shows how the Pangaea split up int

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  70. I agree with you Johnathon Adelhardt

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  71. Joe and Ben schapker And Nick SferrazzaDecember 19, 2011 at 10:28 AM

    Alfred Wegener developed the idea on continental dreft. The name of the super continent 1 million years ago was called Pangaea. The convection currents are currents in the mantle that cuase the plates to move. It cuases movement in the mantke by the magma that has risen spreads out beneath the plates. As the magma spreads out, the plates are dragged along.magma sinks, the plates are dragged towards each other. Crustal movements might cause earthquakes and tsunamis.

    ReplyDelete
  72. Joe and Ben Schapker and Nick SferrazzaDecember 19, 2011 at 10:33 AM

    @Danny McCarthy and Matt Schapker
    We agree also.

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  73. Matthew Garbett and Simon StuckeyDecember 19, 2011 at 10:37 AM

    i agree with Joe Shapker be cause he is right and Ben just good job :}@joe and Ben shapker

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  74. i do not know what this is talking about

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