Plate Tectonics

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Across
  1. 1. A break in the earth's crust where rocks slip past each other,often causing earthquakes
  2. 5. A volcanic area often in the middle of a plate,not at a boundary,where magma melts through to crust
  3. 6. Layer of the earth that has convection currents
  4. 7. The plastic, partially Molten layer beneath the lithosphere on which plates move
  5. 9. A process at convergent boundaries where denser oceanic crust sinks beneath lighter continental crust
  6. 10. causes the crust to move
Down
  1. 2. The solid,rigid outer shell of the earth,encompassing the crust and the uppermost part of the mantle
  2. 3. A Earth's layer made out of liquid iron and nickel.
  3. 4. Earth's thinnest layer
  4. 8. Shock waves produced by an earthquake