- Over 1,500 volcanoes in the world.
- Japan has more than 100 volcanoes.
- Yellowstone has a volcano.
- All surrounding Geothermal energy is very hot.
- Mount St. Helen is located in Washington.
- Yellowstone is considered a super volcano.
- The magma chamber can be either in the Crust or mantle.
- The Crust of the earth is made of plates.
- Snow and rain slowly go down and percolate through the lava and it takes 4,000 years.
- When two plates collide it can make a volcano or a mountain.
- Magma is way below the volcano.
- Basalt can be found in the moon.
- Obsidian can be used to make arrowheads.
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May 2015
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