chapter 3-2 Elsakka Word Scramble
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Question | Answer |
what forms a hot spring | when groundwater heated by a nearby body of magma rises to the surface and collects in a nutral pool |
what is a geyser | a fountain of water and steam that erupts from the ground |
how a geyser sprays | hot water and steam are trapped inderground in a thin crack, pressure builds until mixture sprays |
active volcano | live, volcano is one that is erupting or has shown signs that it may erupt in the near future |
dormant volcano | sleeping, awaken in the near future and become active(thousands of years in between) |
extinct volcano | dead, unlikely to erupt again |
effects of eruption(force of eruption) | gas content(amount of gas dissolved in magma), thick or thin magma is, temperature, and silica content |
magma high in silica | thick, flows slowlylight colored, to sticky to flow very far, and when cools forms granite |
magma low in silica | dark colored lava,when cools forms basalt |
silica | material formed from the elements oxygen and siliconlon |
where are hot spot volcanos located | in middle of ocianic or continelnal plat |
silica content determines...... | how thick it is, what color, how far it flows, its texture, and what kind of rock it forms |
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