Lava

Please copy/paste the following text to properly cite this How Stuff Works article:

"Lava." 30 August 2007. HowStuffWorks.com. <http://reference.howstuffworks.com/lava-encyclopedia.htm> 24 July 2008.

Physical Science & Math Videos

More Physical Science & Math Videos »

Lava is molten rock that pours out of volcanoes or from cracks in the earth. It comes from deep in the earth where the heat is great. There, lava is called magma. When lava first comes to the surface it is red-hot, reaching temperatures from 7 to 12 times hotter than boiling water.

Ring of Fire

Ring of Fire is a zone along the edge of the Pacific Ocean that has many volcanoes and earthquakes. This horseshoe-shaped belt stretches about… See more »

Volcano

Volcano is a place where ash, gases, and molten rock from deep underground erupt onto the surface. The word volcano also refers to the mountain of… See more »

Fumarole

Fumarole, FYOO muh rohl, is a hole or vent in the ground that gives off volcanic gases. Most fumaroles occur in inactive volcanic regions, such as… See more »

Consumer Guide:

Lava

Related Ad Categories