Our Restless Earth

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Across
  1. 2. Volcanoes carry very hot ...?
  2. 4. The plate boundaries that are sliding against one another.
  3. 6. Every ... year Mt Everest grows by about 4mm
  4. 9. A major volcano?
  5. 12. How many primary tectonic plates are there?
  6. 13. How many secondary tectonic plates are there?
  7. 14. The plate boundaries that are crashing against each other.
  8. 16. A volcano is on a mountain or a ...?
  9. 17. The middle part of the earth?
  10. 18. A earthquake is a sudden movement of the ...?
  11. 19. One of the ways of measuring a earthquake is the richter
Down
  1. 1. Tectonic plates are on top of the molten rock and moving around the planet whilst.
  2. 3. What rock is the tectonic plates floating on?
  3. 4. What map can you see a landform on?
  4. 5. What is the fourth landform plateous, plains and ice sheets?
  5. 7. How many different types of mountains are there?
  6. 8. How many different types of volcanoes are there?
  7. 10. The plate boundaries that are moving away from each other.
  8. 11. Are tectonic plates moving?
  9. 15. What is the tallest mountain in the world?