Pollution
Pollution that comes from an single identifiable source is called
Point source pollution
A _______________________level below about 3ppm will be stressful for most aquatic creatures
oxygen or dissolved oxygen
A funnel is a good analogy for a ___________________
Watershed
What is the last river in our watershed before the water gets to the ocean
Mississipi river
Where is most of the earth's fresh water found
Glaciers and icecaps
the line or ridge that separates neighboring drainage basins
Divide or watershed divide
An oil pipe spilling directly into the ocean is an example of what type of pollution?
(point or non-point)
Point Source Pollution
What term indicates or measures for the murkiness/cloudiness of the water?
Turbidity
The small river that feeds into a larger river is a _____________________
A tributary
Which major salty body of water does our watershed drain into?
Gulf of Mexico or Gulf of America
What percentage of earth's surface is covered with water
70 or 71%
An underground formation that contains groundwater
Aquifer
The biggest source of chemicals that lead to acid rain is:
a. sewage treatment plants
b. burning fossil fuels
c. leaky septic tanks
d. Trash in the ocean
B. burning fossil fuels
Which of the following elements can lead to an algae bloom when it gets in the water?
a. Magnesium
b. Phosphorous
c. Zinc
B. Phosphorous
Another name for a watershed is what?
Drainage Basin
Name the next 2 states our water flows to after it leaves Georgia
Tennessee and Alabama
Rivers, lakes, aquifers, and reservoirs make up what percent of all the water on the planet?
1% or less than 1%
Name something that would cause the water table to drop LOWER
Pumping out and extracting too much water
or
Droughts
The large amounts of nutrients in the water causes excess algae to grow then die off which leads to ___ levels in the bays.
a. high oxygen b. high carbon
c. low oxygen d. low carbon
c. low oxygen
List ALL that will NOT measure water quality?
a. pH b. flow c. mass
d. temperature d. length
e. dissolved oxygen
b. flow
c. mass
d. length
What force causes the flow of water in a certain direction
GRAVITY
The boundary or line that runs from north to south in the USA and determines if water ends up in the Pacific or Atlantic ocean
Continental divide
What percentage of the earth's water is salt water?
97%
Approximately what percent of the US uses groundwater for their drinking water?
a. 20% b. 50%
c. 70% d. 40%
b. 50%
Give a reason why SEDIMENT pollution is harmful to an ecosystem
Cloudy water blocks sunlight
Fills in spaces where aquatic creatures live or lay eggs (damaging habitats)
clogs gills of fish
lowers dissolved oxygen
List what each test measures:
1. Dissolved oxygen
2. pH
3. Salinity
1. amount of oxygen in water
2. acids & basis
3. amount of salt in water
What part of the water cycle is involved in the formation of clouds?
Condensation
True or False: All the rivers in the US are connected to each other.
False
In the water cycle, what do you call the water that falls to earth as rain, snow, etc?
PRECIPITATION
When groundwater drains into a pond, lake or ocean this is called
DISCHARGE