How Mountains are Formed

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Across
  1. 1. to push something so that it moves
  2. 2. run into or hit something while moving
  3. 3. a group of connected mountains that were formed during the same time period
  4. 5. raised to a higher point
  5. 7. very large in size or amount
  6. 9. the powder that remains after something is burnt
  7. 11. to become firm over a period of time
  8. 12. to walk long distance through a natural environment for fun or exercise
  9. 13. a thin line where something has broken
Down
  1. 1. to come to understand how something happens or works
  2. 2. the outer layer of the earth
  3. 4. suddenly and violently
  4. 6. to explode and shoot hot material into the air
  5. 8. melted by heat
  6. 10. hot, liquid matter beneath the earth's surface that cools to form rock