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- Volcano facts and information - National GeographicVolcanoes, explained. These fiery peaks have belched up molten rock, hot ash, and gas since Earth formed billions of years ago. Volcanoes are Earth's geologic architects. They've created more than ...
- What Is Lava Made Of? | Ask An Earth and Space ScientistNow for the chemistry. The chemistry of lava flows can tell scientists about where the lava came from beneath the surface. It also lets them learn a bit about how it flowed. Silicon is a good element to use to understand where the lava came from and how it flowed over the surface.
- Lava Science | Ask An Earth and Space ScientistThe glowing red-orange material is molten rock from deep below the Earth’s surface. When it erupts and flows on the surface, it is known as lava. When lava flows, it creates interesting and sometimes chaotic textures on its surface. These textures let us learn a bit about the lava.
- Lava - WikipediaLava is molten or partially molten rock ( magma) that has been expelled from the interior of a terrestrial planet (such as Earth) or a moon onto its surface. Lava may be erupted at a volcano or through a fracture in the crust, on land or underwater, usually at temperatures from 800 to 1,200 °C (1,470 to 2,190 °F).
- Lava Flows - Woods Hole Oceanographic InstitutionBecause lava is so hot (more than 1,100 degrees C, over 2,000 degrees F), it remains molten and flows across the ground until it cools and hardens into rock. Lava is the most common form of material erupted from volcanoes that form oceanic islands like the Galápagos and Hawaiian Islands.
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