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Physical science > chapeter27.3 > Flashcards

chapeter27.3 Flashcards

1
Q

what percent of water on earth is salt water

A

97%

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2
Q

what percent of water on earth is fresh water

A

3%

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3
Q

where is the majority of fresh water found

A

in glaciers

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4
Q

where is the smaller percentage of freshwater found

A

rivers lakes and ground water

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5
Q

what is precipitation

A

when water vapor cools and condenses

rain

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6
Q

what is run off

A

water running off land surfaces

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7
Q

what is infiltration

A

the Processes by witch water becomes ground water below the serface

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8
Q

what is transpiration

A

when plants release release water vapor into the atmosphere through their leaves

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9
Q

what is condensation

A

where water vapor Collide and become a water droplet

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10
Q

what is the water cycle

A

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

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11
Q

what is an unsaturated zone for groundwater storage

A

pores area where water can easy pass through

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12
Q

what is a saturated zone for ground water storage

A

where water compleatly fills pore space

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13
Q

what is a water table

A

upper layer of the saturated zone

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14
Q

what dose it mean if sediment is permeable

A

how easy the water passes through

more permeable = water passes through easly

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15
Q

what us an aquifer

A

a rock unit that can transfer water through its poor space

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16
Q

what is the name of the great plains aquifer

A

ogallala aquifer

17
Q

how many states dose the great plains aquifer run through

A

8

18
Q

what states

A 
Nebraska 
Colorado 
Kansas 
Texas 
New Mexico 
Wyoming 
Oklahoma 
South Dakota
19
Q

what is an aquitarde

A

keep water confined

20
Q

how are water springs formed

A

where a water table natural meats the surface

21
Q

what is an artesian well

A

when we drill into an pressurized aquifer

22
Q

what is a cone of depression

A

the direction the water flows in direction down the well

23
Q

absolute dateining

A

assigning an exact date (numeral age ) to an orgnizium

24
Q

relative dating

A

putting things in proper order in time

25
Q

uniformiarianisim

A

states that laws of nature operate the same today as they have in the past

26
Q

principles of superposition

A

states that in an undisturbed sequence of sedimentary rock layers from youngest to oldest

27
Q

uniformity

A

gaps in the rock record during the during witch either erosion occurring or deposition was absent

28
Q

fossil

A

the remains or tracing of and orgnizium found in rock

Physical science (8 decks)

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