Earthquakes and Volcanoes

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Across
  1. 3. A break in Earth's lithosphere where one block of rock moves toward, away from, or past another.
  2. 4. A liquid's resistance to flow.
  3. 6. A vent in Earth's crust through which melted-or molten rock flows.
  4. 8. The vibrations in the ground that result from movement along breaks in Earth's lithosphere.
  5. 9. Volcanoes that aren't associated with plate boundaries.
  6. 10. An instrument that measures and records ground motion and can be used to determine the distance seismic waves travel.
  7. 11. Molten rock below Earth's surface.
  8. 12. Molten rock that erupts onto Earth's surface.
  9. 14. Small, steep-sided volcanoes that erupt gas-rich, basaltic lava.
  10. 15. The location on Earth's surface directly above the earthquake's focus.
Down
  1. 1. Volcanoes along divergent plate boundaries and oceanic hot spots. Large, gentle slopes of basaltic lava.
  2. 2. Waves that cause particles in the ground to move up and down in a rolling motion.
  3. 5. A graphical illustration of seismic waves.
  4. 7. Scientists that study earthquakes.
  5. 13. Where waves originate where rocks first move along the fault, at a location inside Earth.