Plate Tectonics

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Across
  1. 5. Melting magma making its way to the surface creating a _______
  2. 6. The theory that the Earth’s surface is made of plates.
  3. 9. The edge of the Pacific Ocean prone to volcanic eruptions and earthquakes.
  4. 10. Molten rock
  5. 11. A deep crack where new earth surface is continuously being formed
  6. 14. 225 million years ago all the major continents formed a giant super continent called ______________
  7. 15. These are formed when two plates push against each other.
Down
  1. 1. When two plates move away from each other, it is called a _________ boundary.
  2. 2. When two plates collide and one plate slides under the other, it is called a ________ boundary.
  3. 3. ________ float on the mantle.
  4. 4. The violent jerk when the tension between two plates is released.
  5. 7. When two plates push against each other, it is called a _______ boundary.
  6. 8. The highest mountains in the world (and still growing)
  7. 12. When two plates move against each other and neither create or consume crust, ________ boundaries are created.
  8. 13. The line on which two different plates move against each other.