Living on the Edge Revision

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Across
  1. 3. ____plumes are masses of hot mantle material that ascend towards the surface causing igneous activity
  2. 6. ___flow is the motion of matter resulting from change in temperature
  3. 7. Volcanic activity releases surges of ___ into the atmosphere
  4. 9. two plates of crust grind past each other without destruction
  5. 11. Two plates of crust moving together
  6. 14. Waterways
  7. 15. Hot things rise to surface then fall to core, therefore the Earth’s crust is constantly ____
  8. 16. Living things
Down
  1. 1. Type of volcano with concave, steep, sloping sides
  2. 2. ___of sediment showed the age of sea floor
  3. 4. Under tectonic plates; sludgy liquid under extreme heat and pressure
  4. 5. Gigantic super-continent 200 million years ago
  5. 8. Crust is part of the zone called the ___
  6. 10. Two plates of crust moving apart
  7. 12. Because it is so dense, oceanic lithosphere always ___
  8. 13. Type of volcano with convex, shallow slopes