Seafloor

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Across
  1. 2. finest particle size of sediment that takes the longest to settle
  2. 6. a linear lowland area between two uplifted areas found at a divergent plate boundary
  3. 7. molten lava from the upper mantle that wells up forming new seafloor
  4. 9. stripes that form a symmetrical pattern around mid ocean ridges showing ancient pole reversals
  5. 11. the Aleutian Islands and the islands of Japan are formed in this convergent boundary
  6. 12. formed by the tests of diatoms and radiolarians specifically
  7. 14. forms at convergent boundaries
  8. 15. deepest flattest parts of the earth
  9. 18. sediment derived from weathering
  10. 19. bump of sediment found at the base of a passive continental margin
  11. 20. volcanic island shape that forms on the less dense of two oceanic plates at a subduction zone
  12. 21. area of high earthquake and volcanic activity around the Pacific ocean due to convergent plate boundaries
Down
  1. 1. a superheated water spout found at midocean ridges
  2. 3. sediment derived from diatoms foraminifera and other organismal remains
  3. 4. steepest part of a continental margin
  4. 5. an underwater volcano
  5. 8. a divergent boundary between two oceanic plates
  6. 10. the earths crust
  7. 13. continental margin with a narrow shelf and steep slope
  8. 16. continental volcanic arc due to oceanic-continental plate convergence
  9. 17. type of continental margin that does not mark a plate boundary