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Hanson Dynamic Ea 2
Dynamic Earth Chapter 2 Vocabulary Words
| Term | Definition |
|---|---|
| caldera | extremely large crater |
| cinder | third largest volcanic particle; the size of a golf ball |
| cinder cone | volcano made up of cinder piling up |
| composite volcano | volcano made from cinders, then lava flows, then cinders, then... |
| crater | pit at the top of a volcano |
| earthquake | shaking of the earth's crust |
| epicenter | place on top of crust above the focus of an earthquake |
| focus | place in the earth where earthquake occurs |
| lava | molten rock on surface of earth |
| lwave (surface) | slowest seismic wave; moves in an up and down motion; does most damage to humans |
| magma | molten rock in the earth |
| pwave (primary) | fastest seismic wave; moves in a push-pull motion; goes through solids and liquids |
| Richter scale | measures the strength of an earthquake |
| Ring of Fire | area of volcano activity around the Pacific Ocean |
| seismic wave | energy from an earth quake |
| seismogram | reading from a seismograph |
| seismograph | machine that records earthquakes |
| seismologist | person that studies earthquakes |
| shield volcano | volcano made from layers of flowing lava that hardens |
| s wave (secondary) | second fastest wave; moves in a side-to-side motion; goes through solids only |
| tsunami | giant wave in the ocean created by an earthquake |
| vent | spot in a volcano where lava comes out |
| volcanic ash | second smallest particle from a volcano |
| volcanic bomb | largest particle from a volcano |
| volcanic dust | smallest volcanic particle |
| volcano | spot in the earth where lava comes out |
Created by:
marydykstra
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