Travel Mount St. Helens

Volcanoes are places where Earthâs crust becomes weak. Then molten rock from below the surface (called magma) reaches the surface and becomes lava, which then cools and…

Documents V OLCANOES By : Charlotte Adams :]. W HAT IS A VOLCANO ? A volcano is mountain with an opening, or.....

Slide 1V OLCANOES By : Charlotte Adams :] Slide 2 W HAT IS A VOLCANO ? A volcano is mountain with an opening, or rupture, in a planet's surface or crust, which allows…