2.What are three characteristics of magma that cause a volcano to have a huge eruption?(12 points)
Answer: Gas Magma and Tephra
3. Volcanoes are able to form in several different plate-tectonic settings.
A. How does a hot-spot supervolcano (such as Yellowstone) form? (5 points)Answer: 80 Kil. under Earth and the Earths Suface has to be 1450 degress
B. What type of volcano is Mount Saint Helens? (2 points) Answer:active stratovolcano
C. How is the formation of this type of volcano different than that of a hot-spot volcano? (3 points)Slow movmenet of the magama
4. Most hot-spot volcanoes erupt through oceanic crust.
A. Do these hot-spot volcanoes tend to erupt more explosively than other volcanoes? (5 points)Answer: Yes Because the magma covers the openning
B. What is an example of a hot-spot volcano that supports your answer? (4 points)
5. Why do oceanic hot-spot volcanoes often form a long line of volcanic islands? (10 points)Answer: the plate tonics move
6. The Internet is flooded with information on the Yellowstone supervolcano. What are two characteristics you use to determine if Web sites will have accurate information? (4 points)Answer:infermative Sites
1. Draw a diagram of a volcano. Make sure you label the magma chamber, central vent, side vents, and crater. (5 points)
2.What are three characteristics of magma that cause a volcano to have a huge eruption?(12 points)
Answer: Gas Magma and Tephra
3. Volcanoes are able to form in several different plate-tectonic settings.
A. How does a hot-spot supervolcano (such as Yellowstone) form? (5 points)Answer: 80 Kil. under Earth and the Earths Suface has to be 1450 degress
B. What type of volcano is Mount Saint Helens? (2 points) Answer:active stratovolcano
C. How is the formation of this type of volcano different than that of a hot-spot volcano? (3 points)Slow movmenet of the magama
4. Most hot-spot volcanoes erupt through oceanic crust.
A. Do these hot-spot volcanoes tend to erupt more explosively than other volcanoes? (5 points)Answer: Yes Because the magma covers the openning
B. What is an example of a hot-spot volcano that supports your answer? (4 points)
5. Why do oceanic hot-spot volcanoes often form a long line of volcanic islands? (10 points)Answer: the plate tonics move
6. The Internet is flooded with information on the Yellowstone supervolcano. What are two characteristics you use to determine if Web sites will have accurate information? (4 points)Answer:infermative Sites
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