Marine Science Exam 1 ACTUAL Exam
Questions and CORRECT Answers
What percent of Earth's Water is found in the ocean? - CORRECT ANSWER - 97.5%
US Naval officer who first complied information about large-scale winds and currents -
CORRECT ANSWER - Matthew Maury
Average depth of ocean - CORRECT ANSWER - 3,700 meters (12,000 feet)
The magnetic striping of the seafloor is considered evidence of seafloor spreading and..? -
CORRECT ANSWER - Periodic reversals in the polarity of Earth's magnetic field
What are the measurements of water depth? - CORRECT ANSWER - Soundings,
originally made using a marked line with a lead weight
False statement regarding latitude and longitude - CORRECT 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? - CORRECT ANSWER -
Density Stratification bc it brought heavy elements such as iron to the center
Ocean originated from what? - CORRECT 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? - CORRECT ANSWER - From accumulated
sediments at the base of the continental slope
, Who's Continental Drift theory was not well-accepted? - CORRECT ANSWER - Alfred
Wegener
Which voyage would qualify as the first 100% purely scientific oceanographic expedition? -
CORRECT ANSWER - Challenger Expedition
What time of boundary is a trench along the edge of an ocean next to a continent? - CORRECT
ANSWER - Convergent with subduction
Which ocean surrounds continent of Antarctic and which ocean has largest total volume? -
CORRECT ANSWER - Souther and Pacific
Supercontinent name - CORRECT ANSWER - Pangea
False statement about scientific method - CORRECT ANSWER - Hypothesis can never be
falsified
False statement about formation of solar system and planet - CORRECT ANSWER - Big
Bang occurred about 4.6 billion years ago (it was 14 billion)
Scientists notices a coincidence of shape of the Atlantic coasts of Africa and which continent? -
CORRECT ANSWER - South America
What sediment covers the greatest area of seabed - CORRECT ANSWER - Biogenous
sediments
How fast do most lithospheric plates move? - CORRECT ANSWER - about 5 centimeters
per year
Active continental margins are located...? - CORRECT ANSWER - on the west coasts of
both North and South America
Questions and CORRECT Answers
What percent of Earth's Water is found in the ocean? - CORRECT ANSWER - 97.5%
US Naval officer who first complied information about large-scale winds and currents -
CORRECT ANSWER - Matthew Maury
Average depth of ocean - CORRECT ANSWER - 3,700 meters (12,000 feet)
The magnetic striping of the seafloor is considered evidence of seafloor spreading and..? -
CORRECT ANSWER - Periodic reversals in the polarity of Earth's magnetic field
What are the measurements of water depth? - CORRECT ANSWER - Soundings,
originally made using a marked line with a lead weight
False statement regarding latitude and longitude - CORRECT 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? - CORRECT ANSWER -
Density Stratification bc it brought heavy elements such as iron to the center
Ocean originated from what? - CORRECT 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? - CORRECT ANSWER - From accumulated
sediments at the base of the continental slope
, Who's Continental Drift theory was not well-accepted? - CORRECT ANSWER - Alfred
Wegener
Which voyage would qualify as the first 100% purely scientific oceanographic expedition? -
CORRECT ANSWER - Challenger Expedition
What time of boundary is a trench along the edge of an ocean next to a continent? - CORRECT
ANSWER - Convergent with subduction
Which ocean surrounds continent of Antarctic and which ocean has largest total volume? -
CORRECT ANSWER - Souther and Pacific
Supercontinent name - CORRECT ANSWER - Pangea
False statement about scientific method - CORRECT ANSWER - Hypothesis can never be
falsified
False statement about formation of solar system and planet - CORRECT ANSWER - Big
Bang occurred about 4.6 billion years ago (it was 14 billion)
Scientists notices a coincidence of shape of the Atlantic coasts of Africa and which continent? -
CORRECT ANSWER - South America
What sediment covers the greatest area of seabed - CORRECT ANSWER - Biogenous
sediments
How fast do most lithospheric plates move? - CORRECT ANSWER - about 5 centimeters
per year
Active continental margins are located...? - CORRECT ANSWER - on the west coasts of
both North and South America
