Marine Science Exam 1 Questions and
Answers
What percent of Earth's Water is found in the ocean? - Answer -97.5%
US Naval officer who first complied information about large-scale winds and currents -
Answer -Matthew Maury
Average depth of ocean - Answer -3,700 meters (12,000 feet)
The magnetic striping of the seafloor is considered evidence of seafloor spreading
and..? - Answer -Periodic reversals in the polarity of Earth's magnetic field
What are the measurements of water depth? - Answer -Soundings, originally made
using a marked line with a lead weight
False statement regarding latitude and longitude - Answer -Longitude lines are drawn
parallel to the equator, while latitude lines are drawn from pole to pole
What is responsible for forming the layers of Earth and why? - Answer -Density
Stratification bc it brought heavy elements such as iron to the center
Ocean originated from what? - Answer -Outgassing of gases from earth's interior and a
barrage of icy comets or asteroids striking and melting the outer layers of Earth which
condensed into clouds and rain
How was the Continental Rise formed? - Answer -From accumulated sediments at the
base of the continental slope
Who's Continental Drift theory was not well-accepted? - Answer -Alfred Wegener
Which voyage would qualify as the first 100% purely scientific oceanographic
expedition? - Answer -Challenger Expedition
What time of boundary is a trench along the edge of an ocean next to a continent? -
Answer -Convergent with subduction
Answers
What percent of Earth's Water is found in the ocean? - Answer -97.5%
US Naval officer who first complied information about large-scale winds and currents -
Answer -Matthew Maury
Average depth of ocean - Answer -3,700 meters (12,000 feet)
The magnetic striping of the seafloor is considered evidence of seafloor spreading
and..? - Answer -Periodic reversals in the polarity of Earth's magnetic field
What are the measurements of water depth? - Answer -Soundings, originally made
using a marked line with a lead weight
False statement regarding latitude and longitude - Answer -Longitude lines are drawn
parallel to the equator, while latitude lines are drawn from pole to pole
What is responsible for forming the layers of Earth and why? - Answer -Density
Stratification bc it brought heavy elements such as iron to the center
Ocean originated from what? - Answer -Outgassing of gases from earth's interior and a
barrage of icy comets or asteroids striking and melting the outer layers of Earth which
condensed into clouds and rain
How was the Continental Rise formed? - Answer -From accumulated sediments at the
base of the continental slope
Who's Continental Drift theory was not well-accepted? - Answer -Alfred Wegener
Which voyage would qualify as the first 100% purely scientific oceanographic
expedition? - Answer -Challenger Expedition
What time of boundary is a trench along the edge of an ocean next to a continent? -
Answer -Convergent with subduction
