1					2
				3														4
5
							6
		7				8
								9														10
11																				12
							13					14							15
			16														17
																18
					19
															20
			21
																	22
		23

Across 1. area of volcanism within a lithospheric plate 3. aka: composite volcano 6. pyroclastic particles less than 0.25 mm. in diameter 7. any activity that includes the movement of magma toward or onto the earth's surface 9. steep-sloped deposit of solid fragments ejected from a volcano 11. steep-sloped volcanic deposit with alternating layers of hardened lava flows and pyroclastic materials 15. magma that reaches the earth's surface 16. liquid rock produced deep inside the earth 18. solidified mafic lava with a wrinkled surface 19. the largest possible pyroclastic material that is formed from solid rock blasted from a volcanic fissure 20. large basin-shaped depression formed when an explosion destroys the upper part of a volcanic cone 21. pyroclastic particles between 0.25 mm. and 2 mm. in diameter 22. opening through which molten rock flows onto the earth's surface 23. lava that flows out of fissures on the ocean floor and cools rapidly in round shapes

Down 2. the rock fragments ejected from a volcano 3. has a cone of hardened lava that forms a broad base and gentle slopes 4. crack in a rocks surface through which lava flows 5. large, spindle-shaped clot of lava thrown out of a volcano 8. jagged chunks of lava formed by rapid cooling on the surface of a lava flow 10. lava and pyroclastic material built upon the earth's surface around a vent 12. funnel-shaped pit at the top of a volcano 13. pyroclastic particles between 2 mm. and 64 mm. in diameter 14. silica-rich lava 17. dark-colored lava that is rich in magnesium and iron