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Marine Science Test 100% solved
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Exam of 6 pages for the course Marine Science at Marine Science (Marine Science Test)
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Marine Science TestDip Net - Answer -• Retrieved a variety of species from water
•useful for scooping up seaweed, jellyfish, and other drifting organisms from socks and
the sides of vessel
Water Collecting Bottle - Answer -Collects water samples
Alcyone - Answer -Cousteaus' turbo sail ship
Trieste (Jacques Piccard) - Answer -1st bathyscaphe to below 35,800 ft.
Hydrometer - Answer -Measures density, temperature, and salinity
Measures densities of liquids and solutions
Conshelf - Answer -Cousteaus' two man diving saucer for continental shelf
Secchi Disk - Answer -Measures turbidity
Estimates the transparency of sea water, & can provide a relative measure of
productivity or turbidity
Peterson Grabber - Answer -Bottom sampler
Purse Seine Net - Answer -Closes at the bottom bystring (ex. Tuna)
Reversing Thermometer - Answer -Measures and records temperature at depths
Underwater Camera - Answer -Provides video and photos at deep depths
Alvin - Answer -Research sub; Titanic, hydrothermal vents, Bismarck
Most famous for locating the lost hydrogen bomb in the Mediterranean Sea
Side-scan Sonar - Answer -Detects objects on the seafloor
, Makes detailed maps
Plankton Net - Answer -Net towed or Dipped for plankton
A cone shaped net of fine mesh material with a collecting jar of the base
Flip - Answer -355 ft. floating instrument platform, can be vertical
Core Sampler - Answer -Takes chunks out of the ocean floor
Dredge - Answer -Chains attached to a square frame, rock samples
Dragged across the ocean floor to obtain biological or geological samples
Aluminaut - Answer -Early deep diving craft, collects minerals
Nansen Bottle - Answer -Collects water samples at a variety of depths
Current meter - Answer -Determined speed and direction of currents
AUV-Autonomous Underwater Vehicle - Answer -•unmanned
•robot that travels underwater
•makes detailed maps of the seafloor
ARGO - Answer -Camera system used to find the Titanic in 1985
ROV-Remotely Operated Vehicles - Answer -Highly maneuverable underwater robots
operated by a person aboard a surface vessel.
Glomar Challenger - Answer -First research vessel specifically designed for the purpose
of drilling into and taking core samples from the deep sea floor
Gravity Core - Answer -Most basic sampling device used to collect core samples from
the seafloor, it penetrates less that 10 meters into the sediment
Drift Bottles - Answer -Used as a mean of chatting ocean currents
Refractometer - Answer -Used to measure the salt concentration of saltwater by using
the refraction of light
Hydrophone - Answer -A microphone for acoustic measurements in fluids
Scuba-Self Contained Underwater Breathing Apparatus - Answer -Used for shallow
water work
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