Earth & Sudden Changes

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Across
  1. 3. 2nd layer of the earth and the thickest layer
  2. 6. center of the earth made of solid iron and nickel
  3. 8. molten rock beneath the Earth's surface
  4. 10. the planet we live on (and the best one in our solar system!)
  5. 11. outermost layer of the Earth where life is found
  6. 12. a mountain with a vent through which lava and gas escape from the Earth's crust
Down
  1. 1. sudden violent shaking of the ground caused by movements of the Earth's crust
  2. 2. a scientist that studies the Earth
  3. 4. the tool we use for measuring the strength of earthquakes
  4. 5. molten rock that moves down a mountain after a volcanic eruption
  5. 7. liquid layer of earth composed of molten iron and nickel
  6. 9. the type of land plates that make up the earth's crust