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Across 3. huge hole left by the collapse of a volcanic mountain 6. most volcanoes are found along these 7. the fire goddess of volcanoes, in Hawaii 12. substance made of two or more elements 14. mixture of rock-forming substances, gases and water 15. rock formed when low-silica magma cools 19. examples of these are cutting, melting, hardness, texture 21. fast moving, hot lava 23. type of volcano that erupts ash, cinders, and bombs that build up around the vent 29. an example of where diverging boundaries, and therefore volcanoes are found on land 30. Europe's largest volcano 31. type of volcano that alternates between ash, cinders, and bombs with lava flows 32. process in which the older denser plate sinks below the other 35. what the plates do when they come together 36. type of volcano that has thin layers of lava that pour out a vent and harden on top of previous layers 37. when a volcano erupts, the force of the expanding ______ pushes magma out the vent 39. fine, threadlike rock that can form from lava that sprays out of the ground like a fountain 43. volcanic soil is very ____ so it is able to support plant growth 45. rock that forms when gas bubbles are trapped in fast cooling lava 46. the more silica magma contains, the ____ its viscosity

Down 1. state that has a hot spot under it 2. opening that the lava exits the volcano through 3. examples of these are rotting, rusting, reacting, molding 4. magma that forces itself across rock layers and hardens 5. magma after it reaches the surface 8. resistance of a liquid to flow 9. magma squeezes itself between horizontal layers and hardens 10. aa hardens and forms a rough surface with _____ chunks 11. these islands were formed over a hot spot 13. where most volcanoes form because of diverging plate boundaries 16. long tube in the ground the lava moves up through 17. explosive eruption hurls out a mixture of hot gases, ash, cinders, and bombs 18. what the plates do when they move apart 19. volcano in Mexico that is a cinder cone volcano 20. band of volcanoes that surround the Pacific Ocean 22. lava cools quickly, giving a smooth, glassy look to this rock 24. volcano in Japan that is a composite volcano 25. a volcano that may erupt in the future 26. string of volcanoes formed from converging plate boundaries 27. pocket that collects magma beneath the volcano 28. mass of rock formed when a large body of magma cools inside the crust 33. as magma rises to the surface, the _____ of the surrounding rock on the magma decreases 34. substance that can't be broken down into simpler substances 36. compound made of silicon and oxygen 38. bowl-shaped area that surrounds the central vent 40. volcano that will never erupt again 41. area where material from deep within the mantle rises and melts, forming magma 42. weak spot in the crust where molten material comes to the surface 44. magma that is high in silica has ____ colored lava