- there are over 1500 active volcanoes with lots of heat activity in the world
- geothermal is used in 2 countries
- the two countries are New Zealand and Iceland
- Japan has over 100 volcanoes
- japan volcano killed many people
- Geothermal energy is the heat from the Earth. It's clean and sustainable
- a volcano is a is a rupture in the earth that lets hot gas allowing it to erupt
- mount st Helen is in Washington
- the magma chamber can be below or above the crust
- the magma chamber is below Yellowstone
- there are 7 tectonic plates and lots of smaller plates
- when plates collide we can get volcanoes erupt and mountains form
- the magma chamber chamber int the crust or the magma chamber
- snow and rain slowly go down and then push back up it takes 4000 years to push back up
- the pacific ring of fire is the most active areas in the world
- the pacific plat sinks under the Continental plate
- its creating a vacuum and pulling you under
- volcanoes form by the magma
- lava goes out the top and comes down then dries and hardens the rock
- last time Yellowstone erupted 64000 years ago but its still is active
- Pompeii was covered in 16 feet of ash by Mount Vesuvius
- when volcanoes erupt they create pyroclastic and lava flows
- volcanoes create ash cloud that stop planes
- when rocks come out of volcanoes the are called igneous rocks can extrusive
- obsidian was thrown out of the volcano
- obsidian can be black brown and red
- basalt melts very fast
- basalt can be found on the moon and in Hawaii
- caldera forms when the top blow off
- underwater volcanoes can form island
- there are 4 different types of volcanoes
- sometimes a geothermal site can run out of steam
- Volcanoes can form habitats and kills animals
RSS Feed
