Aice Marine Exam Review Questions With
Correct Answers
The gravitational effects of the sun,moon, and earth and the rotation of the Earth - answer✔How
are tides caused
the difference in height between the lowest low tide and the highest high tide - answer✔what is a
tidal range
the regular rise and fall of sea level - answer✔what are tides
12 hours and 25 min - answer✔one high tide to the next successive high tide
6 hours and 13 min - answer✔one high tide to successive low tide
24 hours and 50 min - answer✔lunar day
highest low tide and lowest high tide- 3rd and 1st quarter- 180 degree angle - answer✔neap
highest high tide and lowest low tide- full and new moon- 90 degree angle - answer✔spring
a continuous movement of sea water in one direction - answer✔ocean current
winds, rivers, upwelling - answer✔factors that are involved in the formation of surface ocean
currents
temp and salinity - answer✔factors that are involved in the formation of deep sea currents/
density
Alignment of the Earth, sun and moon; Geo-morphology (shape of the coast); wind; air pressure;
and the size of the body of water - answer✔factors that affect tidal range
a sequence of events that occurs in the southern Pacific ocean - answer✔El nino
the process that occurs when wind blows across the ocean surface, pushing water away. The
deeper colder water then rises up from beneath the surface to replace the water that was pushed
away. - answer✔upwelling
normal- winds blow east to west El nino- winds weaken or reverse normal- upwelling El nino-
no upwelling (no fish) - answer✔difference between normal conditions and El nino conditions
rain to dry areas - answer✔beneficial effect that may occur when a cyclone reaches land
weakening of winds cause lack of upwelling-lack of upwelling means less nutrients - less
nutrients, less phytoplankton growth- less phytoplankton, less food for fish- less food for fish,
less fish population and /or fish die - answer✔explain how El nino conditions affect the fish
populations near the coast of South America
In the summer months, from May until August, the land heats up quickly and there is relatively
large temp. differences between Central Asia and the Indian ocean. Air over the land warms,
becomes less dense and rises. This draws in air saturated with water vapor from the Indian ocean,
from a south-westerly direction. The summer monsoons bring thunderstorms and exceptionally
heavy rain. It has been estimated that these summer monsoons bring over 80 percent of India's
annual rainfall. - answer✔explain why India experiences a wet summer monsoon
wind, upwelling, rivers, atmospheric pressure, Coriolis Effect/ rotation of the Earth -
answer✔factors involved in the formation of surface currents/ factors that affect the surface
currents
temp and salinity (density), shape of the seabed - answer✔factors involved in the formation of
deep currents/ factors that affect deep currents
as temp decreases, solubility increases - answer✔describe the relationship between the temp of
water and the solubility of oxygen in water
atmospheric dissolution- mixing of air from wind/ wave action (oxygen and carbon dioxide can
enter oceans from dissolution. Volcanic eruptions release sulfur and chloride gas when enter
oceans combine with water to form acids and change acidity - answer✔describe how
atmospheric gases get into seawater
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