Earthquake and Volcano Crossword
Across
- 4. Crater that forms when the ground sinks around a vent
- 7. on Earth's surface directly above and earthquakes focus
- 8. volcano that has explosive eruptions, a wide bass,steep slopes, and quiet flows
- 9. Tectonics/The theory that the Earth's lithosphere is divided into tectonic plates that move around on top of the asthenosphere
- 11. Wave/Energy waves that are produced at and travel outward of an earthquake
- 13. boundary between two tectonic plates that are moving away from each other
- 14. Spot/ A volcanically active area of Earth's surface far from a tectonic plate boundary
- 16. caused by breaking rocks along faults.
- 20. boundary between two tectonic plates, that are colliding
- 21. Scale/Logarithmic increases by powers of ten, and is used to measure earthquakes
Down
- 1. volcano built of layers of lava and have non explosive eruptions
- 2. Cone/A volcano that has pyroclastic material,steep slopes, and moderately explosive
- 3. vent or fissure in the Earth's surface through which magma and gases are expelled
- 5. Chamber/The body of molten rock that feeds a volcano
- 6. who studies earthquakes and seismic waves
- 10. used by seismologists to record primary, surface and secondary waves
- 12. opening at the surface of the Earth through which volcanic material passes
- 15. along which rocks break and move
- 17. of Fire/An area of volcanic activity that borders the Pacific Plate
- 18. an earthquake the point beneath Earth's surface
- 19. funnel-shaped pit near the top of the central vent of a volcano