Earthquake and Volcano Crossword

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

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