Caves and Karst

Question 1

Caves form when:

Answer 1

Rocks are dissolved by flowing groundwater

Question 2

Bedrock is almost always:

Answer 2

Limestone

Question 3

The water is often ____ from CO2 gas

Answer 3

Acidic

Question 4

Caves are just one part of a landscape known as

Answer 4

Karst

Question 5

Karst areas have….

Answer 5

Subsurface drainage

Question 6

Typical features of karst terrain

Answer 6

1. Sinking streams
2. Caves
3. Large Springs
4. Sinkholes

Question 7

Can make good aquafers, but are easily contaminated

Answer 7

Karstic formations

Question 8

Karst terrain often has little….

Answer 8

Soil

Question 9

Most of the bedrock in Karst terrain ________ rather than breaking down to pieces

Answer 9

Dissolves away

Question 10

Rain and snow can reach the groundwater quickly without a lot of…..

Answer 10

Filtration

Question 11

Groundwater often dissolves caves __________ the water table

Answer 11

Vertically above

Question 12

Tall narrow cracks funnel water down _____

Answer 12

Quickly

Question 13

Most caves form __________ where water flows laterally

Answer 13

Right at the water table

Question 14

Water in caves flows ______ like rivers rather than slow like most groundwater

Answer 14

Fast

Question 15

Any influx of _______ can spread quickly over a wide area

Answer 15

Pollution

Question 16

Dripping water often forms new minerals to make…..

Answer 16

Cave formations

Question 17

Threats to caves:

Answer 17

Pollution
Urban runoff
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