What are two ways that water enters the atmosphere to become water vapor?
5 points
5
Question 5
5.
During which process of the water cycle does water vapor cool in the air to form clouds?
5 points
5
Question 6
6.
When run-off water seeps through porous soil, it becomes ________.
5 points
5
Question 7
7.
In which part of the water cycle do plants release excess water vapor into the atmosphere?
5 points
5
Question 8
8.
What are the two driving forces behind the water cycle?
1 point
1
Question 9
9.
What percent of the Earth's water
is fresh water?
1 point
1
Question 10
10.
The largest reservoir of freshwater that is available to humans is ____________.
1 point
1
Question 11
11.
Approximately ____________ percent of Earth's area is represented by oceans and
marginal seas.
1 point
1
Question 12
12.
Most freshwater on Earth exists in:
1 point
1
Question 13
13.
Most of the water on Earth exists primarily in which of the following locations?
10 points
10
Question 14
14.
What is the process by which water enters the small pore spaces between
particles in soil or rocks?
10 points
10
Question 15
15.
Look at the image above. What is the difference between the saturated and the
unsaturated zones of ground water?
10 points
10
Question 16
16.
The boundary between the saturated zone and the unsaturated zone is called the
_____.
10 points
10
Question 17
17.
Ground water is:
1 point
1
Question 18
18.
Rain and precipitation causes the water table line to move:
1 point
1
Question 19
19.
Drought or lack of rain causes the water table line to move:
1 point
1
Question 20
20.
Match the type of pollution with its cause.
Draggable item
arrow_right_alt
Corresponding Item
Sediment
arrow_right_alt
bacteria from mammal waste
Coliform Bacteria
arrow_right_alt
can enter the water as part of acid mine drainage or as metals leach into water over time.
Plastic
arrow_right_alt
Can enter the water as fertilizer, soaps, or detergents enter waterways.
Nutrients
arrow_right_alt
a group of chemicals that don't easily break down that was manufactured to produce patins, plastics, and electrical equipment.
Mercury or Heavy Metals
arrow_right_alt
washes into rivers due to runoff, makes the river more turbid or cloudy.
PCBs
arrow_right_alt
breaks down into smaller and smaller pieces, often accumulates in the ocean in the middle of major ocean gyres; can be harmful to marine wildlife.
1 point
1
Question 21
21.
Which type of pollution can you easily identify the source?
1 point
1
Question 22
22.
Which is an example of non-point source pollution?
1 point
1
Question 23
23.
Match the stage of wastewater treatment with what it removes:
Draggable item
arrow_right_alt
Corresponding Item
Primary
arrow_right_alt
lets most remaining solids and oils settle after large items have already been removed from the wastewater.
Secondary
arrow_right_alt
adds bacteria and oxygen to help remove any dissolved organic matter in the water; after this stage bacteria are killed usually with chlorine.
Tertiary
arrow_right_alt
any additional treatment is done at this stage, like removal of nitrogen and phosphate nutrients.
1 point
1
Question 24
24.
Match the disaster with the correct description:
Draggable item
arrow_right_alt
Corresponding Item
Exxon Valdez Disaster
arrow_right_alt
occured when an oil tanker ran aground in Alaska in 1989, led to legislation that required oil tankers at sea to have an inner and outer hull
Deepwater Horizon Disaster
arrow_right_alt
occured when an oil rig experienced a blowout that was unable to be capped for four months in the Gulf of Mexico
1 point
1
Question 25
25.
What do we call the constantly moving system of deep-ocean circulation driven by differences in temperature and salinity?
1 point
1
Question 26
26.
Salt water is _____________ fresh water.
2 points
2
Question 27
27.
As the temperature of ocean water changes from 10 to 30 degrees C, how does the density change?
1 point
1
Question 28
28.
What factors create deep ocean currents?
1 point
1
Question 29
29.
Which of the following drives global thermohaline (conveyor belt) circulation?
1 point
1
Question 30
30.
What is the upward movement of cold water from the ocean depths called?
1 point
1
Question 31
31.
what is density?
1 point
1
Question 32
32.
The energy that drives surface ocean currents comes from ____.
1 point
1
Question 33
33.
Ocean currents tend to move warm water where?
1 point
1
Question 34
34.
Ocean currents tend to move cold water where?
1 point
1
Question 35
35.
Ocean currents that are warm tend to cause what type of change to the climate of an area?
1 point
1
Question 36
36.
Ocean currents that are cold tend to cause what type of change to the climate of an area?
1 point
1
Question 37
37.
What is the name of the current that makes Western Europe and the East Coast of North America slightly warmer?
1 point
1
Question 38
38.
What process brings cold water that is nutrient rich towards the surface?
1 point
1
Question 39
39.
Where can upwelling occur?
1 point
1
Question 40
40.
Match the type of shoreline feature to the proper term.
Draggable item
arrow_right_alt
Corresponding Item
Barrier Island
arrow_right_alt
large piles of boulders or concrete built on either side of a coastal inlet to let a channel stay open for boats; built to prevent rivermouths or streams from meandering naturally; they completely disrupt and redirect the longshore current.
Sea walls
arrow_right_alt
a shorline structure made of wood or boalders, concrete, or steel; designed to interrupt the longshore current eroding away the beach; causes more erosion on one side of the structure and less on the other side.
Jetty
arrow_right_alt
islands along the coast of a continent that are long, narrow offshore desposts of sand or sediment that parallel the coastline.
Groin
arrow_right_alt
a strcture meant to stop the nautral movement of sand by the waves that crash on the shore; temporarily hold back the ocean; built of concrete, wood, or steel and is a large wall that runs parallel to the beach.
Beach Nourishment
arrow_right_alt
adding sand back to the beach as a replacement for all the sand that was lost due to erosion.