Current Affairs
Water We Talking About
Water and Pollution
Aquifers
The Sea Floor
Top of the Shed
Oceanic Structure
100
The density of sea water is controlled by these two factors.
Temperature and Salinity
100
The amount of water on earth has changed by this percentage over the last 5,000 years.
0% (no change)
100
Source of pollution typically caused by runoff over a large area such as from a city.
Non-Point Source
100
This 2 factors affect how fast water gets into the ground.
Porosity and Permeability
100
A broad area in the ocean that is flat with layers of mud and silt.
What is an abyssal plain?
100
An area of land where the surface water and the groundwater drain into a large body of water.
What is a watershed?
100
The area where freshwater enters the ocean is called this
Estuary
200
The layer of rapid temperature change also known as the transition zone is called.
Thermocline
200
The process by which water on the land is filtered into the ground.
Infiltration
200
Increased carbon dioxide in the atmosphere results in this type of pollution that harms marine life.
Ocean Acidification
200
Humans drill into these underground rock layers to use them as a source of potable water.
What are aquifers?
200
The deepest parts of the ocean.
What is a trench?
200
The geographical structure that separates watersheds.
Divide / Topographic Divide
200
The zone goes from low tide line to the high tide line. Sometimes covered with water and contains tide pools.
What is the Intertidal Zone?
300
Draining a well near the coast will cause this to the water table.
Saltwater intrusion.
300
water vapor becomes liquid water
What is condensation?
300
Harmful microorganisms contaminate the water supply after exposure to human or animal wastes.
Biological or Bacterial Pollution
300
The top of the Zone of Saturation is called
The Water Table
300
The gentle sloping of ocean floor extending out from a continent.
What is a continental shelf?
300
Identify the contour interval of this map.
40 ft
300
Estuaries, Coral reefs, and nearly all commercial fish reside in this zone.
what is in The Neritic Zone
400
Ocean temperature ____ as ocean depth increases.
What is decrease?
400
This source usually replenishes groundwater.
Precipitation, Surface Water, or Runoff.
400
What causes the type of pollution that has the biggest effect on stream Turbidity?
Logging, Mining, or construction
400
This earth material would permit the LEAST amount of rainwater to infiltrate
Clay
400
An underwater volcanic mountain that has not reached the surface.
What is a seamount?
400
Which direction should water flow from the left peak? North is up.
South-Southwest
400
Region of the open sea beyond the edge of the continental shelf. Plankton, nekton, and benthos.
What is the Pelagic Zone?
500
Ocean water at the poles contains more of this than at the equator.
What is salt?
500
Living organisms who can show scientists the health of the water system due to their presence and population number.
What are bioindicators?
500
These types of pollution may have significantly smaller effects on DO than the other types.
Chemical pollution and Biological Pollution
500
This type of well exists only when the confining layer pressurizes the water table above the land surface.
Artesian Well
500
The steep edge of a continental shelf.
What is a continental slope?
500
Calculate the Gradient from A to B.
A - B is 2000 ft.
0.0175
500
Some Sunlight reaches this zone, but not enough for large amounts of photosynthesis to occur.
What is the Dysphotic zone?
9999
Describe the evolution of a stream over time after a significant amount of nutrient pollution is added.
1) Pollution is added
2) Producers such as algae reproduce rapidly
3) Producers begin to consume oxygen
4) Organisms begin to die off
5) Nutrients are consumed and/or diluted and the ecosystem recovers.