How Plate Boundaries Affect Volcanoes! By: Nancy Phillips

How Plate Boundaries Affect Volcanoes! By: Nancy Phillips
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  • How Plate Boundaries Affect Volcanoes!
  • By: Nancy Phillips
  • FIrst off, the reason why volcanoes occur is because of the tectonic plates moving. When two plates are moving away from each other or towards each other(caused by convection), the lava shoots up.
  • To make more since, here is a diagram of how two plates cause a volcano by moving apart. So, what is happening is that when the two plates move apart, there is room left in between the two plates. So, what goes there is the magma from down under. It shoots up through the vent that eventually comes out of the volcano to become lava.
  • ***This is suppose to be lava coming out of the ground
  • I am going to tell you how they form from colliding. The more dense one gets pushed to the bottom and the less dense one stays on top. When the plate moves down, the magma from underneath gets displaced from the plate being there. So the magma moves upward because it has no where else to go. After a while, the magma has so much pressure that it shoots up like the diverging volcanoes do at the end.  
  • ***This is suppose to be lava coming out of the ground
  • After a volcano erupts, this turns into a crater because the lava blows it off
  • This is the Crust
  • This is the vent
  • That is the Magma
  • That is the Magma Chamber 
  • After all of this, I  hope you learned things about volcanoes. They are very destructive and deadly.  But, they are also interesting at the same time. They form by convergent or divergent plate boundaries. I hope you enjoyed. 
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