Tectonic hazards

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Across
  1. 2. made up of solid rock and is constantly moving
  2. 3. super continent that included all of the landmasses on Earth
  3. 5. are formed when magma forces its way through the cracks in the earth
  4. 6. it is solid metal and it is the hottest layer of the earth
  5. 9. keep the plates in motion as hot magma rises and sinks as it cools at the surface
  6. 10. large, moving piece of the Earth's crust
  7. 13. it is liquid metal and is around 4400 degrees Celsius
  8. 14. heat energy that comes from the core
  9. 15. a boundary when two plates move towards each other
  10. 16. boundary along which two tectonic plates scrape past each other
  11. 17. where the edges of two (or more) tectonic plates meet
  12. 18. molten rock found beneath the earth
Down
  1. 1. the theory that continents were once joined together but moved apart over time
  2. 4. melted material
  3. 7. a boundary when two plates move away from each other
  4. 8. an underwater mountain range where new ocean crust is formed
  5. 11. to explode; to break out with force
  6. 12. thickest layer of the earth and is made up of magma