EXAM 2 TEST PAPER 2026
COMPLETE QUESTIONS AND
VERIFIED ANSWERS GRADED A+
◉ Hydrosphere. Answer: sum of all of earth's water
◉ Oceanographers. Answer: someone who studies oceanography
◉ Bathymetry. Answer: measure of depth of earth's features below sea
level
◉ Hypsometry. Answer: measure of elevation of earth's features above
sea level
◉ Sounding. Answer: technique of measuring ocean depth by sinking a
weighted object and counting rope length
◉ Fathom. Answer: 6 feet or 2 yards of ocean depth
◉ Echo sounding. Answer: technique using sound waves to measure
ocean depth
,◉ SONAR (SOund Navigation And Ranging). Answer: advanced method
of measuring ocean depth using multiple sound emissions
◉ Maximum ocean depth. Answer: 11 km, Marianas Trench
◉ Maximum continental elevation. Answer: 8.85 km, Mount Everest
◉ Average ocean depth. Answer: 3.7 km
◉ Average continental elevation. Answer: 840 m
◉ Continental Shelf. Answer: shallow area extending from the
continent
◉ Continental Slope. Answer: steeper area that leads to deeper ocean
◉ Continental Rise. Answer: area formed by sediment deposits at the
base of the continental slope
◉ Ocean Basin. Answer: large, flat region of the ocean floor
◉ Abyssal Hills. Answer: small, rolling hills on the ocean floor near
continental margins
, ◉ Tablemounts (guyots). Answer: flat-topped seamounts formed by
erosion
◉ Seamounts. Answer: underwater mountains formed by volcanic
activity
◉ Biogenic Sedimentary Rock. Answer: rock formed from accumulated
organic material, like fish fecal pellets
◉ Oceanic Ridge. Answer: underwater mountain system formed by
tectonic activity
◉ Oceanic Trenches. Answer: deep depressions formed at subduction
zones
◉ Active Continental Margin. Answer: area with significant geological
activity
◉ Passive Continental Margin. Answer: area with little geological
activity
◉ Submarine Canyons. Answer: steep, underwater valleys carved by
turbidity currents