click below
click below
Normal Size Small Size show me how
volcanoes 22.6
8th earthscience
Question | Answer |
---|---|
Volcano | A mountain that forms when magma reaches the surface |
Magma chamber | A pocket where magma collects before an eruption |
Pipe | A narrow vertical chamber that magma rises through |
Vent | An opening in the ground where magma escapes to the surface |
Crater | A bowl shaped pit at the top of the central vent |
Caldera | A huge depression at the top of a volcano if the shell created by magma collapses |
Hot Spot | A region where hot rock extends from deep within the mantle to the surface |
Shield volcano | A volcano with a quiet eruption of low-viscosity lava that produces a wide flat volcano |
Cinder Cone Volcano | A volcano |