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