Study Notes For Unit 2 Test
Thermohaline circulation is driven by differences in __________.
- temperature - salinity - density
In Shoreville, the last low tide was at 12:00 a.m. About what time will the next high tide occur?
6:00 a.m.
The ocean's "global conveyor belt" is _________.
a deep ocean current
Evaporation ________.
adds water to the atmosphere
Desalination ________.
allows saltwater to be used for drinking
Water _________.
becomes less dense when it freezes
Confined aquifers are found ________.
between two layers of impermeable soil
The Coriolis Effect ___________.
causes surface currents to move in circular paths
Deep ocean water is _________ surface ocean water.
colder than
Most of Earth's water _________.
contains salt
Marvita lives near a river, but can't afford easy access to fresh water. She suffers from ________ scarcity.
economic
About 70% of Earth's freshwater is found in ________.
glaciers and ice caps
The water table ________.
is the top of the saturated zone
Most of Earth's fresh surface water is found in _________.
lakes
Adhesion describes water's attraction to __________.
other substances
Iorek lives near the North Pole. The snow in his backyard adds water to the atmosphere through _________.
sublimation
The moon is the main cause of _________.
tides
Which of the following materials is the least porous?
unsorted sand and rock
Letter A represents a wave's __________.
wavelength
Most lakes ________.
were formed from melting glaciers
Surface currents are driven by ________.
wind
As ocean depth increases, _________.
- temperature decreases - pressure increases - salinity increases - density increases
Most freshwater is used _________.
for industry and electrical power
The salinity of the ocean is 35 ppt. The salinity of Lake Artemis is 12 ppt. The ocean __________ Lake Artemis.
is saltier than
The oxygen side of a water molecule is ________.
slightly negative
