click below
click below
Normal Size Small Size show me how
VolcanoesV
volcanoes
Vocab | Answer |
---|---|
Volcano | An opening in the earths crust that erupts gases, ash, and lava. |
Hot Spot | Hot rock forced up as a result of the boundary between the mantle and the core. |
Silica | A compound composed of the elements silicon and oxygen. |
Pahoehoe | Hot lava with a low viscosity. |
Aa | Stiff, slow, cooler lava with a high viscosity. |
Viscosity | The ability of a liquid to flow. |
Fissure | Large cracks on the Earths surface. |
Tephra | Bits of rock and lava soildified dropping from the air. |
Pyroclastic Flow | When volcano ash falls (rush) down a volcano. |