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Volcanoes
| Question-Definition | Answer-Term |
|---|---|
| A landform built up by solidified molten rock that has come to the earth's surface through a vent from a source of magma deep in the earth. | Volcano |
| Volcano geologist | Volcanologist |
| Magma that has reached the end of the vent and is exposed to the outside of the volcano. | Lava |
| A depression at the top of the cone. | Crater |
| Caused by the explosion of the top of a crater. | Caldera |
| Gaseous Volcanic Emissions | Gases in magma, glowing avalanches, super heated water vapor |
| Volcanic Mudslide | Lahar |
| Liquid Emissions | Lava, basaltic |
| Solid Emissions | Pyroclastic material, ash, tephra, cinders, bombs |
| VEI | Volcanic Explosivity Index |
| Volcano that has been seen to explode recently or in the past. | Active |
| Volcano that is not active, but is not eroded over. Generally still signs of seismic activity. | Dormant |
| Volcano that won't erupt again. (Probably) | Extinct |
| Volcano that erupts every hour. | Continuous |
| Solid lava particles. | Ash |
| Accumulation of ash. | Tephra |
| "Larger ash" | Cinders |
| Blocks of lava that solidify as they fly through the air. | Bombs |
| Forms of solidified lava. | Pyroclastic Material |