Unit 7 Project

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Across
  1. 1. When one plate sinks under another
  2. 3. How heavy something is
  3. 4. Crust of the upper mantle
  4. 5. Thinnest layer
  5. 7. A change in magnetic fields
  6. 8. Theory that the continents are slowly drifting
  7. 13. Semi-rigid part of the mid-mantle
  8. 14. Where hot magma rises
  9. 15. The thickest layer
Down
  1. 2. When hot magma rises, cools, then sinks
  2. 6. Pieces of Earths crust moving relative to each other
  3. 9. Solid metal layer in the center of Earth
  4. 10. A valley formed by a divergent boundary
  5. 11. Liquid layer filled with iron and nickel
  6. 12. The super continent