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physical science > ch 27.3 > Flashcards

ch 27.3 Flashcards

1
Q

process which water enters earth and becomes groundwater below the surface

A

Infiltration

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2
Q

upper boundary of saturated zone

A

water table

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3
Q

rock unit that can transfer water through its pores space

A

aquifer

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4
Q

material is the percentage of materials total volume that is pore space

A

porosity

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5
Q

what percentage of water on earth is salt water?

A

97%

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6
Q

what percentage of water on earth is freshwater?

A

3%

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7
Q

where is the majority of freshwater found?

A

2% of 3% found in glaciers

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8
Q

where is the smaller percentage of freshwater found?

A

lakes rivers

ground water

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9
Q

what is precipitation?

A

when water vapor in the air cools and condenses

Ex: rain ,snow,sleet and hail

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10
Q

what is runoff?

A

water running off the land surface

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11
Q

what is infiltration?

A

process by which water enters earth and becomes groundwater below the surface

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12
Q

what is transpiration?

A

when plants release water vapor into the atmosphere through their leaves

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13
Q

what is evaporation?

A

when water enters the atmosphere as water vapor

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14
Q

what is condensation?

A

when water vapor collides with other water vapors molecules to form water droplets

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15
Q

what is the water cycle?

A

water on the land that goes into the atmosphere then eventually returns back to the land

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16
Q

what is an unsaturated zone for groundwater storage?

A

a porous area where water easily passes through

17
Q

what is a saturated zone for groundwater storage?

A

beneath the unsaturated zone where water completely fills the pore space

18
Q

what is a water table?

A

the upper boundary of the saturated zone

19
Q

what does it mean if sediment is permeable?

A

The more permeable is the easier water can pass through

20
Q

what is an aquifer?

A

a rock unit that can transfer water through its pore space

21
Q

what is the name of the Great plains aquifer?

A

Ogallala Aquifer

22
Q

how many states does the great plains aquifer run through?

A

its runs through 8 states

23
Q

what are the names of the states that the great plains aquifer runs through?

A 
South Dakota 
Wyoming 
Nebraska 
Colorado 
Kansas
Oklahoma 
New Mexico
Texas
24
Q

what is an aquitards?

A

keep water confined

25
Q

how are water springs formed?

A

well drilled into pressurized aquifers

25
Q

how are water springs formed?

A

storage form where the water table naturally meets the earths surface

26
Q

what is an artesian well?

A
27
Q

what is a cone of depression?

A

physical science (18 decks)

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