Topic Key treams

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Across
  1. 1. Molten the rock under the surface
  2. 3. A volcano that Has not erupted in a long time but may in the future
  3. 8. Smooth glassy rock that forms when lava cools quickly and crystals can't form
  4. 13. shaking of the ground
  5. 14. A volcano currently erupting or has recently
  6. 16. The area of the earth at the surface
  7. 17. body of water at the top of a volcano
  8. 18. it is commonly made of tiny fossils, shell fragments, and other fossil debris
  9. 19. the middle of the earth
Down
  1. 2. rock deep underground, that forms under high temperatures of pressure
  2. 4. a pipe that the magma flows up
  3. 5. particles of pulverized rock thrown out by a vent in an eruption
  4. 6. Molten Rock above ground
  5. 7. The very hot second layer of the earth
  6. 9. a crystal that is formed from oxygen and silicon
  7. 10. crust of the earth, carries the ocean and/or continents on them
  8. 11. study of rocks
  9. 12. Rock which is made from cooled lava
  10. 15. rough-textured dusty rock that floats on water
  11. 20. a volcano that will not erupt again