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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 |