JC Geography: Underground Karst Features

The name given to the distinctive landscapes which form in limestone areas is:

• cockpits

• sinkholes

• cave systems

• karst

Limestone is composed mainly of a mineral called calcium carbonate.

• True

• False

Limestone can be slowly dissolved by rainwater or groundwater.

• True

• False

True or false: A cavern is bigger than a cave?

• True

• False

This feature is formed when the roof of an underground cavern collapses.

• stalagmite

• swallow hole

• stalactite

• pillar

This feature is formed when calcium carbonate is deposited on the ceiling of a cavern.

• stalagmite

• sink hole

• stalactite

• pillar

This feature is formed when calcium carbonate is deposited on the floor of a cavern.

• stalagmite

• sink hole

• stalactite

• pillar

When a stalactite and a stalagmite meet they form a new feature known as a:

• cave

• stalactomite

• cockpit

• pillar

Sometimes a large underground hollow or passage called a _________ is formed as water wears away limestone.

• underground river

• cavern

• cockpit

• karst landscape