Monday, November 16, 2009

Volcano notes and MOVIE!!

So today in class we finished up the volcano notes packet for our quiz tomorrow!!! We went over how volcanoes form.

Here is what I got down:
-Subduction Volcanoes: form from oceanic plate under continental, tend to be most explosive
-Ex: Andes, parts of the Ring of Fire
-Volcanic Island Arcs: Oceanic plate under oceanic plate, upcoming magma more readily reach surface means greater concentration of volcanoes
-Rift Volcanoes: Divergent plate boundaries, oceanic rift
-Ex: Great Rift Valley in East Africa, hydrothermal vents
-Hot Spots:Weak crack in middle of plate
-Ex: Hawaii

After finishing up the notes we watched a movie to kind of wrap up the volcano section. Feel free to ask Ms. Meyer to watch it, it's from the History channel!!!

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