- 1500 active volcanos
- 2 countries are using geothermal energy
- there is 100 volcanoes in japan
- When a volcano erupts the magma is called lava
- Yellow stone sits over a magma chamber
- when the tectonic plates collide they can cause a earthquake, volcano, and monition
- the magma chamber can be in the mental or the crust
- when it rains it takes 4,000 years to get it ti the crust
- the Pacific plates sink under the boing plates
- a mountain is still going up in yellow stone
- in Haw'ii the is a volcano that is about to take out a hole comity
- when volcano erupt they have flowing pyroclastic
- tsunami can happen
- obsidian comes out of volcanoes
- basalt is found at haw"ii and on the moon
- The Indians used obsidian for weapons
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June 2015
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