Science Vocab Crossword Puzzle

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Across
  1. 2. boundary where two plates move apart, or diverge; occur at the mid-ocean ridge; on landforms a rift valley,
  2. 5. supercontinent; means ''all lands'',
  3. 6. ocean floor; made up of basalt; dense rocks' thinner than continental crust,
  4. 8. where two plated move together; or collide; creates a subduction zone when plates are ocean crust collide mountain building takes place,
  5. 10. composed of crust and uppermost mantle---layer of solid hot rock,
Down
  1. 1. where ocean bends downward and subduction occurs--the ocean floor does this due to density and gravity,
  2. 3. slowly wear away mountains and other features on earth's surface,
  3. 4. large sections of the lithosphere and crust; when one moves it effects all other plates,
  4. 7. second layer of the earth's interior,
  5. 9. made of metallic iron and nickel--thick liquid; surrounds the inner core,