Science Crossword

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Across
  1. 3. a change in shape of rock caused by stress and strain
  2. 5. A volcano that is not presently erupting and is not likely to do so for a very long time in the future
  3. 6. A process by which water-saturated sediment temporarily loses strength and acts as a fluid
  4. 7. The study of earthquakes
  5. 9. (2 words) A volcano that is erupting. Also, a volcano that is not presently erupting, but that has erupted within historical time and is considered likely to do so in the future.
  6. 11. (3 words) the zone of earthquakes surrounding the Pacific Ocean- about 90% of the world's earthquakes occur there
  7. 13. (2 words) A scale that measures intensity of the earthquake, but not damage
  8. 14. (2 words) The term is used to describe a volcano which is presently inactive but which may erupt again
  9. 15. (2 words) A conical volcano built up by many layers of hardened lava, tephra, pumice, and volcanic ash
  10. 18. (2 words) A broad volcano with gently sloping sides, characteristic of the eruption of fluid, basaltic lava.
  11. 20. the largest earthquake in a sequence, sometimes preceded by one or more foreshocks, and almost always followed by many aftershocks
  12. 22. (2 words) A large underground pool of liquid rock found beneath the surface of the Earth.
  13. 23. (2 words) Surface waves that move like a transverse wave
  14. 24. The focus is the point within the earth where an earthquake rupture starts
Down
  1. 1. A sea wave of local or distant origin that results from large-scale seafloor displacements associated with large earthquakes
  2. 2. (3 words) ) A steep, conical hill consisting of glassy volcanic fragments that accumulate around the vent
  3. 4. The point on the earth's surface vertically above the focus
  4. 7. (2 waves) an elastic wave generated by an impulse such as an earthquake or an explosion
  5. 8. A fracture in the crust
  6. 10. A shaking caused by the collision and tension of tectonic plates
  7. 12. A smaller earthquake that comes before the mainshock
  8. 16. (2 words) The fastest of seismic waves
  9. 17. (2 words) large, thin, relatively rigid plates of crust that move relative to one another on the outer surface of the Earth
  10. 19. (2 words) Surface waves that move like a snake
  11. 21. A circular depression in the ground caused by volcanic activity