8A: Fire Mountains

4. type of volcanism that forms on the Earth's crust
7. crater-like depression that can fill with water
9. referring to anything having to do with molten earth material
10. a layer of loose pyroclastic materials and ash covering the ground
11. a mudflow of volcanic ash mixed with water
12. depositional mountain landform built from solidified magma from deep in the Earth
13. when magma erupts from a vent it turns into _
15. a fast-flowing lava that when hard, has a shiny surface and an appearance similar to twisted rope
16. Geologists classify magmas by how much _ they contain

1. type of volcanism that forms inside the crust
2. vents in the ground where steam and other gases from volcanic activity escape
3. referring to small, sharp particles emitted from a volcano
5. island-mountain glacier that erupted in 2010
6. once the magma forces its way to the surface, it quickly widens the hole and forms a _
7. a depression at the top of the cone
8. kind of lava that forms underwater
14. a slow-flowing lava that, when hard, has a rough broken surface with sharp pieces of rock projecting from the flow