Lava - Wikipedia
网页Lava 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).
Disney Music - Lava (Official Lyric Video from "Lava") - YouTube
网页Download the song “Lava” here: http://smarturl.it/dpls1Google Play: http://smarturl.it/dplgps1Amazon: http://smarturl.it/dplams1Streaming: http://smarturl.it...
Lava | Types, Composition, Temperature, & Facts | Britannica
网页2024年9月2日 · lava, magma (molten rock) emerging as a liquid onto Earth’s surface. The term lava is also used for the solidified rock formed by the cooling of a molten lava flow. The temperatures of molten lava range from about 700 to 1,200 °C (1,300 to 2,200 °F).
Volcano Lava | National Geographic - YouTube
网页Get immersed in a volcanic landscape with bubbling lava, spewing eruptions, and colliding rivers of fire. Subscribe: http://bit.ly/NatGeoSubscribe#NationalG...
What Is the Difference Between Magma and Lava? Magma vs Lava
网页2023年8月6日 · Lava: Once magma reaches the Earth’s surface and begins to flow, it is termed lava. The emergence happens through volcanic eruptions or fissures. Comparing Magma vs Lava. In addition to location, magma differs from lava in other respects, too. These include chemical composition, temperature, composition, and behavior. Location
What's the Difference Between Magma and Lava? - National …
网页2018年5月8日 · If this molten rock makes it to the surface and keeps flowing like a liquid, it's called lava. Magmas vary in their chemical composition, which gives them—and the volcanoes that contain them ...
Lava Science | Ask An Earth and Space Scientist
网页2019年6月21日 · The 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.
Volcano facts and information - National Geographic
网页2018年1月15日 · These fiery peaks have belched up molten rock, hot ash, and gas since Earth formed billions of years ago. By Maya Wei-Haas. January 15, 2018. • 7 min read. Volcanoes are Earth's geologic ...
Magma - Education | National Geographic Society
网页2024年5月1日 · Much of the planet’s mantle consists of magma. This magma can push through holes or cracks in the crust, causing a volcanic eruption. When magma flows or erupts onto Earth’s surface, it is called lava. Like solid rock, magma is a mixture of minerals.
What is Lava? - Universe Today
网页2009年3月25日 · What is lava, and how does it get so hot? You’re standing on the Earth’s crust right now. But beneath your feet, the interior of the Earth gets must hotter.