World Of Water Test 2

Front 1

% of earth in oceans

Back 1

97%

Front 2

Largest inland body of water, why isn't it a lake to some?

Back 2

Caspian sea, because its salty (1.2% salinity 1/3 of average oceans)

Front 3

Endorheic

Back 3

Water inflows, but only source of outflow is evaporation or seepage.

Front 4

Largest ocean and size

Back 4

Pacific
155,557,000 sq km

Front 5

Smallest ocean and size

Back 5

14,056,000 sq km

Front 6

Average depth of earths oceans

Back 6

2.33 miles

Front 7

Deepest place in ocean

Back 7

Mariana trench

Front 8

Cation

Back 8

element loses electron becoming positively charged

Front 9

Anion

Back 9

Element gains electron becoming negatively charged

Front 10

Average salinity of oceans

Back 10

3.5%

Front 11

Watershed

Back 11

Total land area that drains surface water to a common point

Front 12

2 sources of salts in rivers

Back 12

dissolution of salts and erosion of minerals

Front 13

dominant ions in rivers

Back 13

Calcium and carbonate

Front 14

Dominant ions in ocean

Back 14

Chloride and sodium

Front 15

% of earths water that exists as ice and glaciers

Back 15

1.8%

Front 16

% of earths water that is readilty available freshwater

Back 16

.8%

Front 17

^ of avaiable water that is groundwater

Back 17

98%

Front 18

3 factors leading to increasing water demand

Back 18

population growth
industrial development
expansion of irrigated agriculture

Front 19

5 of world energy that is devoted to producing plant nitrogen

Back 19

1%

Front 20

% of overall consumption used for domestic, agricultural and industrial

Back 20

Domestic:10%
agricultural:65-70%
Industrial:20-25%

Front 21

Why is groundwater good. 3 reasons

Back 21

local, on-demand availability, drought resistance, good quality

Front 22

% of public use from groundwater

Back 22

50%

Front 23

countries responsible for ½ the world’s total agricultural groundwater use.

Back 23

/india, China,Pakistan

Front 24

% of drinking water supplied by groundwater in the U.S. and in Florida

Back 24

US: 50% or ½
FL: 90%

Front 25

Consolidated

Back 25

Holds water in cracks of rocks

Front 26

Unconsolidated

Back 26

Holds water between mixture of sand and gravel

Front 27

Confined

Back 27

Water trapped between layers of impermeable material

Front 28

Un-confined

Back 28

“surficial” Water between high permeable and low permeable layers

Front 29

series of events that allowed substantial siliciclastic deposition to occur beginning approx 25 mil. years ago.

Back 29

1. Lowering of sea levels, interruption of the Suwannee Current
2. Infilling of the Georgia Channel with sediments derived from Appalachian/continental erosion
3. Sea level rise, lack of Suwannee current.
4. Suspended siliciclastic sediments settle over the peninsula

Front 30

3 basic sinkhole types

Back 30

Dissolution – chemical erosion of limestone at the surface. Thin surface layer, forms ponds
Cover Subsidence – gradual infill of overburden into a solution cavity. Thick surface layer, creates depression in land
Cover Collapse – abrupt collapse of overburden, creates abrupt ole in ground

Front 31

most common form of lake formation in Florida

Back 31

Subsidence sinkholes

Front 32

average depth of Okeechobee and basically how it was formed.

Back 32

9ft, formed by wave action and currents as sea levels rose and fell over millions of years

Front 33

what and where the Hoover Dike is. What is its purpose?

Back 33

The Hoover Dike system consists of approximately 143 miles of levee surrounding Lake Okeechobee, 19 culverts, hurricane gates and other water control structures. Its purpose is to prevent flooding of the Okeechobee lake/ control water supply.