Form 1 Midterm 2- Plate Tectonics

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Across
  1. 3. Volcanoes are least likely to form at _ _ _ _ _ _ _ _ plate boundaries.
  2. 7. When the molten material from the mantle rises to the surface of the Earth, it is called _ _ _ _.
  3. 9. The outermost layer of the Earth is called the _ _ _ _ _.
  4. 10. A feature that may be found on the surface of the crust where part of one plate is submerged below another is called an _ _ _ _ _ _ _ trench.
  5. 12. The supercontinent which existed before the continents split up 250 million years ago was called _ _ _ _ _ _.
  6. 13. The hottest layer of the Earth is the _ _ _ _ _ core.
  7. 14. The upper layer of the mantle, below the lithosphere is called the _ _ _ _ _ _ _ _ _ _ _ _ _.
  8. 15. The main materials that make up the Earth’s crust are called Sima and _ _ _ _.
Down
  1. 1. The combination of the Earth’s Crust and upper part of the mantle are called the _ _ _ _ _ _ _ _ _ _ _.
  2. 2. The part of the crust which enters the mantle at the convergent plate boundary tends to melt and results in the formation of a _ _ _ _ _ _ _ in the crust above it.
  3. 4. The oceanic crust sinks below the continental crust at a _ _ _ _ _ _ _ _ _ _ zone.
  4. 5. The molten liquid within the mantle is called _ _ _ _ _.
  5. 6. The 2 types of crust are _ _ _ _ _ _ _ _ _ _ _ crust and oceanic crust.
  6. 8. When the crust is folded upwards at convergent plate boundaries, it results in the formation of fold _ _ _ _ _ _ _ _ _.
  7. 11. The plate which Saint Lucia is found on is called the _ _ _ _ _ _ _ _ _ plate.