Marine Science exam UPDATED ACTUAL
Exam Questions and CORRECT Answers
physical oceanographer - CORRECT ANSWER - deals with waves and currents
tool that measures the salinity of saltwater for a tank? - CORRECT ANSWER -
hydrometer
specific gravity of saltwater for a saltwater aquarium - CORRECT ANSWER - 1.020-
1.024
most effective method for maintaining water quality in a saltwater aquarium? - CORRECT
ANSWER - 20 percent h2o change
ammonia - CORRECT ANSWER -0
ph - CORRECT ANSWER - 7.5-8.4
most toxic substance - CORRECT ANSWER - ammonia
function of nitrifying bacteria living on the gravel? - CORRECT ANSWER - convert
ammonia to nitrite and then to nitrate and stabilize CaCO3
when water evaporates from a saltwater tank - CORRECT ANSWER - you put freshwater
in
when do you add the fish to a saltwater tank - CORRECT ANSWER - after 24 hrs.
, 3 reason for civilizations to interact with ocean - CORRECT ANSWER - food, transport,
trade
phoenicians - CORRECT ANSWER - established trade routes in the Mediterranean,
earliest sea voyage.
polynesian charts - CORRECT ANSWER - they mapped out the ocean. used currents and
winds to design charts from sticks and stones. they show islands, ocean wave direction, waves.
chinese - CORRECT ANSWER - compass
james cook - CORRECT ANSWER - sailed for england to antarctica with a chronometer.
reached hawaii and died
darwin - CORRECT ANSWER - formation of coral reefs and atolls
hms challenger - CORRECT ANSWER - 1st ship dedicated to studying marine science.
mapped out ocean floor found organisms
trieste - CORRECT ANSWER - 1st submersible to reach bottom of mariana trench
alvin - CORRECT ANSWER - hydrothermal vents and titanic
loran c and gps - CORRECT ANSWER - determine position using satellites and radio
signals
chronometer - CORRECT ANSWER - clock that is very accurate
factors that affect density of water - CORRECT ANSWER - salinity and temp
Exam Questions and CORRECT Answers
physical oceanographer - CORRECT ANSWER - deals with waves and currents
tool that measures the salinity of saltwater for a tank? - CORRECT ANSWER -
hydrometer
specific gravity of saltwater for a saltwater aquarium - CORRECT ANSWER - 1.020-
1.024
most effective method for maintaining water quality in a saltwater aquarium? - CORRECT
ANSWER - 20 percent h2o change
ammonia - CORRECT ANSWER -0
ph - CORRECT ANSWER - 7.5-8.4
most toxic substance - CORRECT ANSWER - ammonia
function of nitrifying bacteria living on the gravel? - CORRECT ANSWER - convert
ammonia to nitrite and then to nitrate and stabilize CaCO3
when water evaporates from a saltwater tank - CORRECT ANSWER - you put freshwater
in
when do you add the fish to a saltwater tank - CORRECT ANSWER - after 24 hrs.
, 3 reason for civilizations to interact with ocean - CORRECT ANSWER - food, transport,
trade
phoenicians - CORRECT ANSWER - established trade routes in the Mediterranean,
earliest sea voyage.
polynesian charts - CORRECT ANSWER - they mapped out the ocean. used currents and
winds to design charts from sticks and stones. they show islands, ocean wave direction, waves.
chinese - CORRECT ANSWER - compass
james cook - CORRECT ANSWER - sailed for england to antarctica with a chronometer.
reached hawaii and died
darwin - CORRECT ANSWER - formation of coral reefs and atolls
hms challenger - CORRECT ANSWER - 1st ship dedicated to studying marine science.
mapped out ocean floor found organisms
trieste - CORRECT ANSWER - 1st submersible to reach bottom of mariana trench
alvin - CORRECT ANSWER - hydrothermal vents and titanic
loran c and gps - CORRECT ANSWER - determine position using satellites and radio
signals
chronometer - CORRECT ANSWER - clock that is very accurate
factors that affect density of water - CORRECT ANSWER - salinity and temp
