27.3-27.4

Question 1

absolute dating

Answer 1

is the process of assigning an exact numerical age to an organism,an object, or an event

Question 2

relative dating

Answer 2

is the process of placing object or an event

Question 3

authoritarianism

Answer 3

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

Question 4

principle of superposition

Answer 4

states that in an undisturbed sequence of sedimentary rock layers the youngest rocks will be at the top and oldest rocks will be at the bottom

Question 5

Unconformities

Answer 5

are gaps in the rock record during which either erosion occurred or deposition was absent

Question 6

fossils

Answer 6

the remains or traces of organisms found in the geological rock record

Question 7

water table

Answer 7

the upper boundary of the saturated zone

Question 8

aquifer

Answer 8

a rock unit that can transfer water through its pore space

Question 9

porosity

Answer 9

the materials percentage of materiel’s total volume that is pore space

Question 10

infiltration

Answer 10

is the process by which water enters Earth and becomes ground water below the surface

Question 11

what percentage of water on earth’s is salt water

Answer 11

97% of Earth’s water is salt water

Question 12

what percentage of water on Earth is freshwater

Answer 12

3% is freshwater

Question 13

where is the majority of freshwater found

Answer 13

in glaciers

Question 14

where is the smaller percentage of freshwater found

Answer 14

lakes,rivers, and stored in ground water

Question 15

what is precipitation

Answer 15

when water vapor in the air cools and condenses to form liquid water or ice crystals

Question 16

what is runoff 😈

Answer 16

water running off the land surface

Question 17

what is infiltration

Answer 17

the process by which water enters Earth and becomes ground water below surface

Question 18

what is transpiration

Answer 18

when plants release water vapor into the atmosphere through their lives

Question 19

what is evaporation

Answer 19

when water enters the atmosphere as water vapor

Question 20

what is condensation

Answer 20

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

Question 21

what is the water cycle

Answer 21

where freshwater moves from the land to the atmosphere and then back to the land

Question 22

what is an unsaturated zone fir groundwater storage

Question 22

what is an unsaturated zone for groundwater storage

Answer 22

a porous area where water easily passes through

Question 23

what is a saturated zone for groundwater storage

Answer 23

beneath the unsaturated zone, where water completely fills the pore

Question 24

what is a water table

Answer 24

the upper boundary of the saturated zone

Question 25

what does it mean if sediment is permeable

Answer 25

the material is the easier water can infiltrates through the ground

Question 26

what is an aquifer

Answer 26

a rock unit that can transfer water through its pore

Question 27

what is the name of the Great Plains Aquifer

Answer 27

ogallala aquifer

Question 28

how many states does the Great Plains Aquifer run through

Answer 28

8 states

Question 29

what are the names of the states that the Great Plains Aquifer runs through

Answer 29

South Dakota, Wyoming, Nebraska,Colorado , Kansas, Oklahoma, New Mexico,and Texas

Question 30

what is an aquitard

Answer 30

is a layer that doesnt allow water to pass through

Question 31

how are water springs formed

Answer 31

where the water table naturally meets earths surface

Question 32

what is an artesian well

Answer 32

where we drill into a pressurized aquifer

Question 33

what is a cone depression?

Answer 33

where the water flows in a direction down toward a well creating the cone shape