Study Notes For Unit 2 Test

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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


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