7.8

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Across
  1. 2. | A crack in the Earth’s crust along which movement occurs.
  2. 6. | The outermost layer of the Earth.
  3. 7. | An opening in the Earth’s surface that erupts lava, ash, and gases.
  4. 8. | Natural solid materials forming part of the Earth’s surface.
  5. 9. | The point on the Earth’s surface directly above an earthquake’s focus.
  6. 12. | An instrument used to detect and measure earthquakes.
Down
  1. 1. | Molten rock beneath the Earth’s surface.
  2. 3. | The rigid outer layer of the Earth, including the crust and upper mantle.
  3. 4. | The thick layer of the Earth below the crust.
  4. 5. | The innermost part of the Earth.
  5. 10. | The shaking of the Earth caused by movement along a fault.
  6. 11. Plate | Large pieces of the Earth’s lithosphere that move on the mantle.