Ask the Chatbot Games & Quizzes History & Society Science & Tech Biographies Animals & Nature Geography & Travel Arts & Culture ProCon Money Videos
lava tube
Directory
References
Discover
Nativity Scene, Adoration of the Magi, Church of the Birth of the Virgin Mary, Montenegro
Why Is Christmas in December?
Four year old boy with grandfather and father lighting Hanukkah menorah. Photo taken on: December 21st, 2009
Which Is Correct: Hanukkah or Chanukah?
Ice Sledge Hockey, Hockey Canada Cup, USA (left) vs Canada, 2009. UBC Thunderbird Arena, Vancouver, BC, competition site for Olympic ice hockey and Paralympic ice sledge hockey. Vancouver 2010 Olympic and Paralympic Winter Games, Vancouver Olympics
10 Best Hockey Players of All Time
Town of Sisimiut located on the coast of the Davis Strait on Kangerluarsunnguaq Bay, Greenland
The Largest Islands in the World
The impeachment trial of Pres. Andrew Johnson, illustration from Frank Leslie's Illustrated Newspaper, March 28, 1868.
What If the President Is Impeached?
The Battle of Gettysburg, July 1-3, 1863. (Civil War, Pennsylvania)
9 Worst Generals in History
Coriander leaves, fresh green cilantro on wooden background, herbs
Why Does Cilantro Taste Like Soap to Some People?

lava tube

geology

Learn about this topic in these articles:

volcanic caves

  • Carlsbad Caverns National Park
    In cave: Lava tubes

    These are the longest and most complicated of volcanic caves. They are the channels of rivers of lava that at some earlier time flowed downslope from a volcanic vent or fissure. Lava tubes develop best in highly fluid lava, notably a basaltic type…

    Read More