4478519
Description
Flashcards by Pribmanee(Pipp) , updated more than 1 year ago
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Created by Pribmanee(Pipp)
about 8 years ago
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| Question | Answer |
| Volcano | A weak spot in the crust where magma has come to the surface |
| Ring of Fire | A belt of volcanoes around the rim of the Pacific Ocean |
| Divergent Boundaries | A plate boundary where two plates move away from each other |
| Convergent Boundaries | A plate boundary where two plates move toward each other |
| Hotspots | An area where magma from deep within the mantle melts through the crust above it |
| Viscosity | The resistance of a liquid flowing |
| Silica | A material found in magma that is formed from the elements oxygen and silicon |
| Ash Cloud | Forms when explosive eruptions hurls ash, cinders, bombs, and gases out of a volcano |
| Magma Chamber | The pocket beneath a volcano where magma collects |
| Main Vent | |
| Side Vent | |
| Sill | A slab of volcanic rock formed when magma squeezes between layers of rock |
| Ash Layers | J |
| Craters | A bowl-shaped area that forms around a volcano's central opening |
| Magma | The molten mixture of rock-forming substances, gases, and water deep in Earth's mantle |
| Lava | Liquid magma that reaches the surface; also the rock formed when liquid lava hardens |
| Pahoehoe | A hot, fast-moving type of lava that hardens to form smooth, ropelike coils Low Viscosity |
| Aa | A slow-moving type of lava that hardens to form rough chunks;cooler than pahoehoe High viscosity |
| Eruptions | Bleh |
| Quiet Eruptions | Kk |
| Explosive Eruptions | Lol |
| Pyroclastic Flows | The expulsion of ash, cinders, bombs, and gases during an explosive volcano |
| Shied Volcano | A wide, gently sloping mountain made of layers of lava and formed by quiet |
| Cinder Cone Volcano | |
| Composite Volcano | A tall, cone-shaped mountain in which layers of lava alternate with layers of ash and other volcanic materials |
| Lava Plateau | Pop |
| Caldera | The large hole at the top of a volcano formed when roof of a volcano's magma chamber |
| Ways to Monitor Volcanoes: Temperature | :P |
| Ways to Monitor Volcanoes: Tilt | Fk |
| Ways to Monitor Volcanoes: Meters | Msmk |
| Ways to Monitor Volcanoes: Earthquakes | |
| Ways to Monitor Volcanoes: Gases |
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