A Crossword

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Across
  1. 2. the leftover parts of a living organism that died at least 10,0000 years ago
  2. 3. was a supercontinent that was formed during the Paleozoic era
  3. 6. when magma cools down
  4. 8. the thickest layer of Earth (if there is 4 layers)
  5. 9. the only liquid layer of Earth
  6. 11. when the plates move slide past each other
Down
  1. 1. a mountain with lava coming out
  2. 4. when the ground shaking (a natural disaster)
  3. 5. when the plates are drifting apart
  4. 6. a layer of Earth that is a dense ball of iron and nickle
  5. 7. when the plates move closer together
  6. 10. the outermost layer of earth