Marine Science Final Exam Study Guide
About what percentage of the Earth's surface is covered with water? - Answer -70-75%
Which hemisphere if the Earth contains the greater proportion of ocean surface? -
Answer -Southern Hemisphere
The first world maps were prepared by? - Answer -Ptolemy
The basic unit of speed used at sea, which is equal to 1 nautical mile per hour is a? -
Answer -Knot
The basic unit of distance used at sea, which is equal to 6080 feet or 1853 meters is a?
- Answer -Nautical mile
Which theory explains the formation of the atmosphere? - Answer -Outgassing
The amount of dissolved salts in the ocean is referred to as? - Answer -Salinity
The movement of lighter elements to the outer portion of the Earth's surface is called? -
Answer -Density Stratification
Which produces the dangerous "red tides"? - Answer -
What is the name of the outermost solid layer of the Earth? - Answer -Crust &
Lithosphere
The core of the Earth is composed primarily of? - Answer -Iron/ heavy metal
The first person to circumnavigate the world was? - Answer -Magellan
The Earth's oldest rocks are found? - Answer -Away from the mid ocean ridge
New crust (seafloor) is being generated? - Answer -Rift Zone
The asthenosphere is: - Answer -Convection Current
The force driving the crustal plates is believed to be? - Answer -
About what percentage of the Earth's surface is covered with water? - Answer -70-75%
Which hemisphere if the Earth contains the greater proportion of ocean surface? -
Answer -Southern Hemisphere
The first world maps were prepared by? - Answer -Ptolemy
The basic unit of speed used at sea, which is equal to 1 nautical mile per hour is a? -
Answer -Knot
The basic unit of distance used at sea, which is equal to 6080 feet or 1853 meters is a?
- Answer -Nautical mile
Which theory explains the formation of the atmosphere? - Answer -Outgassing
The amount of dissolved salts in the ocean is referred to as? - Answer -Salinity
The movement of lighter elements to the outer portion of the Earth's surface is called? -
Answer -Density Stratification
Which produces the dangerous "red tides"? - Answer -
What is the name of the outermost solid layer of the Earth? - Answer -Crust &
Lithosphere
The core of the Earth is composed primarily of? - Answer -Iron/ heavy metal
The first person to circumnavigate the world was? - Answer -Magellan
The Earth's oldest rocks are found? - Answer -Away from the mid ocean ridge
New crust (seafloor) is being generated? - Answer -Rift Zone
The asthenosphere is: - Answer -Convection Current
The force driving the crustal plates is believed to be? - Answer -
