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28 Cards in this Set
- Front
- Back
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Viscosity |
Resistance to movement. |
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Tephra |
Gas released from a volcano. |
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Pyroclastic Flows |
Waves of gas from an explosive volcano the travel 450mph and can reach 1000 degrees celsius. |
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Active Volcanoes |
A volcano that is currently erupting. |
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Dormant Volcanoes |
A volcano that recently erupted, but shows no signs of erupting soon. |
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Extinct Volcanoes |
A volcano that has not erupted in a long time, and is unlikely to erupt again. |
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Composite Volcano |
A classic cone-shaped volcano. Explosive eruptions and high viscosity. |
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Shield Volcano |
A more gently sloped volcano with low viscosity. |
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Cinder Cone |
The most common volcano type, it mostly sprays ash and gas. |
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Super Volcano |
The most destructive type of volcano, they have slow schedules and could, hypothetically, changs the world's environment drastically. |
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Lava Dome |
A solidified lava bubble. |
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Geyser |
Underground water heated by magma chambers that periodically releases pressure by shooting water through cracks. |
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Lava Plateau |
Lava settling to create a flat, elevated area. |
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Hot Spring |
A lake or pool heated by magma pockets. |
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Confining Stress |
When uniform pressure is pressed on a object on all sides. |
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Compression |
When an object is pushed in two directions, top and bottom. |
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Tension |
When a rock is being pulled apart. |
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Shear |
When a rock experiences parallel pressure in opposite directions. |
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Strain |
When enough stress is applied to change shape. |
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Elastic Deformation |
When something is stretched, but can return to its original shape. |
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Plastic Deformation |
When something is stretched so much that it can't return to its original shape. |
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Fracture |
The point when something separates into two things. |
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Mercalli Intensity Scale |
A scale that records how much damage an earthquake has done. |
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Richter Magnitude Scale |
A scale that records only the strongest point of an earthquake. |
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Moment Magnitude Scale |
A scale that records the total energy released in an earthquake. |
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Foreshock |
A small earthquake that forebodes a larger one. |
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Focus |
The initial point where an earthquake's vibrations begin in the crust. |
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Epicenter |
The point on the surface where an earthquake begins. |
