Structure of the Earth Crossword

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Across
  1. 2. Turned liquid by heat
  2. 4. This is the 2nd primary ingredient in the earth's core.
  3. 5. When one plate gets pushed under another; convergent boundaries form these
  4. 7. Outermost layer of earth
  5. 8. Outer part of earth, along with rigid, uppermost part of mantle
  6. 11. the earth's inner core is made of ______ and nickel.
  7. 13. This makes up 80% of earth's volume
  8. 16. Deepest layer of earth
  9. 17. The earth's crust is broken up into _______ plates.
  10. 18. Only liquid layer of the earth
Down
  1. 1. The ________ crust forms the continents.
  2. 3. These make up most of the mantle
  3. 6. Upper part of mantle, under the lithosphere
  4. 8. Magma over the earth's surface
  5. 9. Able to be easily molded and shaped
  6. 10. These boundaries form rifts and ridges.
  7. 12. The denser crust, found under oceans
  8. 13. molten rock under the earth's surface
  9. 14. Boundaries that cause earthquakes
  10. 15. Boundaries that come together