erf!!!111!

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Across
  1. 4. outermost layer
  2. 6. earthquakes create these
  3. 7. a slab of solid rock
  4. 9. solid ball of nickel and iron
  5. 10. liquidy, not firm
Down
  1. 1. found in a molten state
  2. 2. heat causing rocks to rise and fall
  3. 3. formed from rapid cooling
  4. 5. densest layer
  5. 8. firm state, not liquidy