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Ch. 3 Sec. 2
Volcanic Activity
| Question | Answer |
|---|---|
| Pocket of magma beneath Earth's surface. | Magma Chamber |
| A long tube into the ground that connects the magma chamber to Earth's surface. | Pipe |
| Opening of a volcano where magma is forced up. | Vent |
| Melted rock flowing on the surface of the Earth. | Lava Flow |
| Circular depression at the top of a volcano. | Crater |
| A material found in magma that is formed from the elements oxygen and silicon. | Silica |
| A hot, fast-moving type of lava that hardens to form smooth, rope-like coils. | Pahoehoe |
| A slow-moving type of lava that hardens to form rough chunks; cooler than pahoehoe. | AA |
| A super-heated cloud of ash, gas and rock. | Pyroclastic Flow |
| A volcano that is currently erupting or likely to erupt. | Active Volcano |
| When it is not erupting but capable of erupting in the future. | Dormant Volcano |
| A volcano that no longer erupts and is in the process of eroding. | Extinct Volcano |
| A pool of groundwater that has risen to the surface after being heated by a nearby body of magma. | Hot Spring |
| Fountain of water and steam that erupts from the ground. | Geyser |
| Underground heat warms water, and steam turns turbines and generators. | Geothermal |
Created by:
huffakerluk11
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