What is a cave?
A cave or cavern is a natural underground space large enough for a human to enter.
Characteristics of a Cave
1) A hole in the earth going under ground.
2) Formed by water wearing away at the rock.
3) May have stalactites and stalagmites growing in it.
4) May be underwater.
Some people suggest that the term cave should only apply to natural cavities some part of which is in total darkness; however, in popular usage, the term includes smaller spaces like sea caves, rock shelters, and grottos.
A cave is an underground hollow or passage that is formed when water runs through an area with enough force to dissolve or wear away rock. Over many years as the water evaporates and simply drips, it leaves tiny deposits of calcium carbonate (calcite). These drops form rock sculptures that look like icicles called stalactites and stalagmites. Stalactites hang from the ceiling and stalagmites form from the ground up. To remember the difference, stalactites have a 'c' in the word for 'ceiling' and stalagmites have a 'g' for 'ground.' If they come together in the center, they become columns.
Speleologist is the science of exploration and study of all aspects of caves and the environment which surrounds the caves. Exploring a cave for recreation or science may be called caving, potholing, or, in Canada and the United States spelunking.
Places Caves are Found
Underwater, such as a sea cave.
In the side of a mountain or hill.
All over the world.
Back to Landforms
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