1
2
3
4
5
100
The area of land that drains runoff into a particular body of water is called a
Watershed
100
Where is water most likely to become contaminated?
-the bottom of the ocean
-a cattle farm
-by a dam
-in a forest
A cattle farm due to pesticides, livestock, etc.
100
What MAJOR watershed do we live in?
Gulf of Mexico
100
Water that lies below the ground is called
Groundwater
100
Water is able to dissolve many substances, making it the universal
Solvent
200
A place where freshwater meets saltwater
Estuary
200
What term describes the action of smaller streams and rivers feeding into larger rivers of a watershed?
Tributaries
200
Area of land that is covered with a shallow layer of water during part or all of the year
Wetlands
200
What 2 elements make up a water molecule?
Hydrogen and Oxygen
200
What percent of water is freshwater? What percent is readily available for human use?
3 percent fresh, 1 percent human use
300
What are the 3 types of wetlands?
Bogs, marshes, and swamps
300
The highest point in a watershed , that seperates different watersheds, is a-
Divide
300
What smaller watershed do we live in?
Holston River
300
What is the difference between biotic and abiotic factors in an ecosystem?
Biotic- all the living things
Abiotic- all the nonliving things
300
Turbidity, salinity, temperature, pH, and presence of macroinvertebrate organisms are all factors used to monitor_
quality
400
Identify the name of each of the numbered watersheds
1- Chesapeake Bay
2- Gulf of Mexico
3- North Carolina Sounds
400
Which number represents the tributary
1
400
Temperature, sunlight, soil, and rocks are all what type of factors?
Abiotic factors (nonliving)
400
What is the difference between point pollution vs. non-point pollution
Point pollution comes from a single identifiable source (a factory pipe) while nonpoint is difficult to pinpoint and is harder to address/identify
400
A lowland area that is saturated with moisture that supports a natural habitat of wildlife
Wetland
500
A person poured oil into a creek at the starred location on the Virginia map. What MAJOR body of water would most likely be harmed?
The Gulf of Mexico.
500
Which number represents the drainage basin
4
500
What does the Continental Divide separate?
The waters that flow into the Atlantic Ocean or Gulf of Mexico from those that flow into the Pacific Ocean
500
The largest estuary in the USA
Chesapeake Bay
500
Why are estuaries referred to as the "nurseries of the sea?" Do not overthink this.
They provide excellent environments for organisms to raise their young