Groundwater as a Resource

What is the water table?

• The ability of a material to transmit a liquid.

• An opening that is dug into Earth to access a resource.

• The top of the zone where all of the pore spaces in the soil and rock are filled with water.

• Chambers that can fill with groundwater and then boil.

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How do people access groundwater?

• Magma chambers

• geysers

• aquifer

• well

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In the United States, groundwater supplies about ____ percent of our fresh water needs.

• 20

• 30

• 40

• 90

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A ______ is an opening that is dug into Earth to access a resource.

• spring

• water table

• geyser

• well

Groundwater moves from places underground where the water table is _____, to places where it is ____.

• high; lower

• low; higher

• low; lower

• high; higher

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Eventually groundwater flows into _____ and ______.

• rivers & oceans

• creeks & oceans

• springs & oceans

• creeks & rivers

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Groundwater flowing out of a hillside forms a ______.

• lake

• spring

• river

• aquifer

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Permeability refers to the ability of a material to transmit a _________.

• liquid

• air

• gas

• matter

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How quickly water can flow through a layer of porous sediment or rock depends on the...

• porosity

• permeability

• interconnectivity

• renewability

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Groundwater is a renewable resource. True or false?

• True

• False