Water Table and Wells

Question 1

Separates damp rocks from soaking wet rocks

Answer 1

Water Table

Question 2

The water table is ____ in wet months

Answer 2

Higher

Question 3

The water table is ___ in dry months

Answer 3

Lower

Question 4

Damp rocks =

Answer 4

Unsaturated zone

Question 5

Wet rocks =

Answer 5

Saturated zone

Question 6

Whenever the water table lies right at ground surface, a ____ will form

Answer 6

Wetland

Question 7

_____ are so good at removing toxic metals from water that we make artificial _____

Answer 7

Wetlands

Question 8

To get a good well you have to drill deep into the ____________

Answer 8

Saturated Zone

Question 9

Can cause your well to dry up

Answer 9

Perched Water Table

Question 10

Fed by rain through groundwater

Answer 10

Streams

Question 11

Pumping too much water out of wells:

Answer 11

Reverses flow and dries up nearby streams and springs

Question 12

If pollution enters the groundwater:

Answer 12

It is also drawn toward the nearest pumping well

Question 13

Water tables drop around wells to form a ______________

Answer 13

Cone of depression

Question 14

If the cone of depression gets to the base of the well:

Answer 14

Your pump will shut off (or burn up)

Question 15

If a deep well pumps out a lot of water very fast:

Answer 15

The cone of depression gets very large and deep

Question 16

Coal mines pump out water very fast on purpose so the shafts stay ___ for mining

Answer 16

Dry

Question 17

Over pumping an entire aquifer can make the ground surface:

Answer 17

Subside as the rock layers flatten

Question 18

Venice will sink nearly 80mm in the next 20 years

Answer 18

Examples of Subsidence