Q:

What happens when lava cools down?

A:

Lava solidifies as it cools and ultimately turns into solid rock. The rock formed by cooling lava varies in composition.Some rocks are dense and heavy, while others have porous compositions and are lighter in color and weight.

Know More

Full Answer

Lava flows out of a volcano at various speeds, and it may travel long distances before hardening or begin to turn crusty as soon as it is exposed to surrounding cooler air. The lava may collect in vast fields, which is what often happens with lava that has a watery base. According to JRank, the cooled lava from Hawaiian volcanoes may flow great distances upon release, and then it ultimately forms volcanic cones.

Learn more in Volcanoes
Sources:

Related Questions

  • Q:

    What happens when a volcano erupts?

    A:

    Volcanoes erupt to release pressure built up in the magma chamber by expelling the magma as lava. Along with lava, a volcanic eruption releases ash and greenhouse gases such as sulfur dioxide and carbon dioxide.

    Full Answer >
    Filed Under:
  • Q:

    How is gold mined?

    A:

    The majority of the gold mined in the world is extracted from gold ore, which are rocks that contain small amounts of gold particles mixed in with solid rock, according to HowStuffWorks. Gold may also be mined from small deposits in riverbeds or beaches, but these are becoming extremely rare.

    Full Answer >
    Filed Under:
  • Q:

    Where is sandstone formed?

    A:

    Sandstone forms wherever sand is buried under the right conditions to pack it into a solid rock. This often occurs in offshore river deltas; however, sandstone is also found in desert dunes and on beaches.

    Full Answer >
    Filed Under:
  • Q:

    Where is scoria found?

    A:

    Scoria can be found in areas of the Earth where volcanic activity has occurred. Ranging in color from black to dark red, it is an igneous rock riddled with air bubbles. Scoria is created as gas escapes from a volcano and rock solidifies around it.

    Full Answer >
    Filed Under:

Explore