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Science > CR Ch. 16 > Flashcards

CR Ch. 16 Flashcards

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0
Q

GROUNDWATER

A

Water beneath earths surface

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1
Q

ARTESIAN FORMATION

A

The sloping layer of permeable rock between two layers of impermeable rock that is exposed at the surface

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2
Q

PERMEABILITY

A

The ability of rock to let water flow through its open spaces

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3
Q

POROSITY

A

The percentage of the total volume of rock consisting of open spaces

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4
Q

AQUIFER

A

A body of rock that stores and allows the flow of underground water

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5
Q

WATER TABLE

A

The upper surface of underground water

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6
Q

CAVERN

A

A large cave consisting of many smaller connecting chambers

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7
Q

SINKHOLE

A

A circular depression that forms at the surface one rock dissolves, sediment is removed, or caves collapse

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8
Q

HARD WATER

A

Water with high concentration of dissolved minerals

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9
Q

Rock or sediment with low porosity is characterized by

A

Well-sorted, fine-grained particles

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10
Q

Groundwater flows downward in response to

A

Gravity

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11
Q

The zone of aeration is composed of how many regions?

A

One

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12
Q

Weak acid formed by the passage of water through soil causes

A

Chemical weathering

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13
Q

To land features formed by high groundwater Hot Springs and…

A

Geysers

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14
Q

Two of the most important properties of aquifers that affect the flow of groundwater are porosity and…

A

Permeability

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15
Q

How does the water table relate to surface topography?

A

The water table usually mirrors surface topography.

16
Q

A hole dug below the water level in order to bring water to the surface is called a(n)

A

Well

17
Q

What is a natural flow of water to the surface for the surface dips below the water table?

A

Spring

18
Q

A sloping layer of permeable rock captured between two layers of impermeable rock is called a(n)

A

Artesian formation

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