If it rises into a magma chamber, its viscosity may make it difficult to move. Volcanic rock and volcanic glass are formed when lava cools. During a violent volcanic explosion, magma may also be ...

Consider a can of soda. When the can is closed (pressurized), the soda contains dissolved carbon dioxide (CO2). When you open ...

By the end of the day, about 7 p.m. Pacific Standard Time, data from 16 crystals was collected and analyzed. The data, which ...

heating and melting the rock and creating magma. Volcanoes form as the magma rises through the Earth's crust. The Kilauea ...

The lava that erupts at Hawaii's volcanoes ... At places where two tectonic plates are pulling away from each other, magma — hot, molten rock — can rise from the mantle to the surface, forming ...

Lava is erupting from several volcanoes ... Heavier plates can slide beneath lighter ones, heating and melting the rock and creating magma. Volcanoes form as the magma rises through the Earth's ...