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Unit 3 Volcanos
Unit 3 lesson 4 volcanos
Term | Definition |
---|---|
Volcano | Any place where gas, ash or melted rock comes out of the ground. |
Magma | Melted rock that is found beneath the Earth's surface. |
Lava | Magma or melted rock that has reached the Earth's surface. |
Vent | The opening of a volcano. |
Pyroclastic Materials | Hot ash and bits of rock that may be ejected into the atmosphere They can build up and can create volcanic mountains |
Tectonic Plates | Giant sections of the Earth's crust. |
Hot Spot | A location where a column of extremely hot mantle rises through the Earth's layers It can melt partially to form magma that can rise to the surface and from a volcano. |