ch 7.3

Question 1

what percentage of water on earth is salt water

Answer 1

97 percent

Question 2

what percentage of water on earth is freshwater

Answer 2

3 percent

Question 3

where is the majority of fresh water found

Answer 3

found in glaciers

Question 4

where is the smaller percentage of the fresh water found

Answer 4

lakes rivers and groundwater

Question 5

what is precipitation

Answer 5

rain snow sleet and hail

Question 6

what is run off

Answer 6

water running off the land surface

Question 7

what is infiltration

Answer 7

water enters earth and becomes ground water below the surface

Question 8

what is transpirtation

Answer 8

plants release water vapor into the atmosphere through their leaves

Question 9

what is evaporation

Answer 9

when water enters the atmosphere as water vapor

Question 10

what is condesation

Answer 10

water vapor collides with other water vapor

Question 11

what is water cycle

Answer 11

from the land to the atmosphere and then back to the land

Question 12

what is an unsaturated zone for groundwater storage

Answer 12

porous area where water easily passes through

Question 13

what is saturated zone for groundwater storage

Answer 13

where water completely fills the pore space

Question 14

what is water table

Answer 14

the upper boundary

Question 15

what does it mean if sediment is permeable

Answer 15

easier water can infiltrate through the ground

Question 16

what is an aquifer

Answer 16

its a rock unit that can transfer water through its pore space

Question 17

what is the name of the great plains aquifier

Answer 17

ogallala aquifer

Question 18

how many states does the great plains aquifer run through

Answer 18

8 states

Question 19

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

Answer 19

South Dakota Wyoming Nebraska Colorado Kansas Oklahoma New Mexico and Texas

Question 20

what is an aquitard

Answer 20

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