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Limestone/Karst

Total questions: 18

Worksheet time: 14mins

Name
Class
Date
1.

Limestone is composed mainly of a mineral called calcium carbonate.

a)

True

b)

False

2.

Limestone is NOT usually formed under water.

a)

True

b)

False

3.

Limestone is an impermeable rock.

a)

True

b)

False

4.

Limestone can be slowly dissolved by rainwater or groundwater.

a)

True

b)

False

5.

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

a)

stalagmite

b)

sink hole

c)

stalactite

d)

pillar

6.

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

a)

stalagmite

b)

sink hole

c)

stalactite

d)

pillar

7.

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

a)

stalagmite

b)

sink hole

c)

stalactite

d)

pillar

8.

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

a)

cave

b)

stalactomite

c)

cockpit

d)

pillar

9.

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

a)

underground river

b)

cave

c)

cockpit

d)

karst landscape

10.

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

a)

cockpits

b)

sinkholes

c)

cave systems

d)

karst

11.

A large area with many small hills and depressions which forms in limestone is known as:

a)

cockpits

b)

cave systems

c)

sink holes

d)

karst

12.

Cockpit Country is found where

a)

Jamaica

b)

Barbados

c)

Bahamas

d)

Trinidad

13.

Harrison's Cave is found in which Caribbean Island?

a)

Bermuda

b)

Bahamas

c)

Barbados

d)

Barbuda

14.

Which Caribbean Island has Oil Birds

a)

Trinidad

b)

Jamaica

c)

Barbados

d)

Dominica

15.

Sometimes in Limestone Regions Rivers disappear underground.

a)

True

b)

False

16.
What dissolves limestone to form caves? 
a)
carbon dioxide
b)
carbonic acid
17.
What is the chemical formula of calcium carbonate
a)
Ca2CO3
b)
Ca(CO)3
c)
CaCO3
d)
CaCO
18.

Chemical name for limestone....

a)

Calcium carbonate

b)

Calcium oxide

c)

Calcium hydroxide

d)

Calcium chloride