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Volcanoes
| Question | Answer |
|---|---|
| Cinder Cone | A steep cone made of volcanic ash,cinders,and bombs around a volcanoes opening |
| Composite Volcano | A tall cone where layers of lava alternate with layers of ash and other volcanic material |
| Caldera | The hole at the top of a volcano formed when the roof of a volcanoes opening collapses |
| Volcanic Neck | A deposit of hardened magma in a volcanoes pipe |
| Geothermal Activity | When underground water is heated by magma |
| Geyser | Water and steam which build up pressure underground and erupts |
| Island Arc | A stream of islands formed by volcanoes along a deep ocean trench |
| Hot Spot | Where magma from within the magma melts through the crust above it |
| Lava Flow | Area covered by lava as it flows out of a volcanoes vent |
| Dormant | A volcano that isn't active ,but can become active in the future |
| Extinct | a volcano that is inactive and most likely will never erupt again |
| Volcano | A weak spot in the crust where magma has come to the surface |
| Magma | A molten mixture of rock which forms substances,gases,and water from the mantle |
| Lava | Liquid magma that reaches the surface |
| Ring of Fire | a line of volcanoes surrounding the pacific ocean |
| Magma Chamber | a pocket beneath a bolcon a pocket beneath a volcano where magma collects |
| Pipe | a tube where magma moves form the magma chamber to earth's surface |
| Vent | an opening where molten rock and gas leave a volcano |
| crater | an area which forms around a volcano's opening |
| viscosity | a liquid's resistance to flowing |
| Cilica | material found in magma that is formed from the elements of oxygen and silicone |
| Shield Volcano | a gently sloping mountain made by layers of lava and formed by quiet eruptions |
| Batholith | a mass of rock formed when a large body of magma cools inside the crust |
| Pyroclastic flow | the explosion of ash cinders bombs and gases during an explosive volcanic eruption |
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