Questions and CORRECT Answers
The first person to circumnavigate Earth was Amerigo Vespucci. - CORRECT ANSWER-
✔✔False
Matthew F. Maury produced the first published atlas of sea conditions and sailing directions.
- CORRECT ANSWER- ✔✔True
The most significant advantage of satellite oceanography is - CORRECT ANSWER- ✔✔the
oceans are studied as a global system.
The Scandinavian oceanographer, Fridtjof Nansen, studied the Arctic Ocean on board the
specially designed vessel, Fram. - CORRECT ANSWER- ✔✔True
The Polynesians used many navigational aides to accomplish long open ocean voyages. -
CORRECT ANSWER- ✔✔True
The earth is currently operating in a no-analogue state. - CORRECT ANSWER- ✔✔True
The main purpose of the Challenger Expedition was to find new fishing areas for England. -
CORRECT ANSWER- ✔✔False
________ feedbacks lead to instability and ________ change in the system. - CORRECT
ANSWER- ✔✔Positive; speed up
Which of the following organisms are of the greatest interest to *most* biological
oceanographers? (i.e. they can provide us with the most information about the ocean) -
CORRECT ANSWER- ✔✔microbes
Earth's physical, chemical, and biological processes act independently of one another. -
CORRECT ANSWER- ✔✔False
,Eratosthenes' estimate of Earth's circumference wasn't even close to being correct. -
CORRECT ANSWER- ✔✔False
Which of these organizations are involved in the study of Earth systems? - CORRECT
ANSWER- ✔✔NASA
World Climate Program
Intergovernmental Panel on Climate Change
International Geopshere Biopshere Program
All of these are correct.
Viking voyages to North America are believed to predate Columbus' voyage to the new
world. - CORRECT ANSWER- ✔✔True
Oceanography may be described as a collection of basic sciences that are applied to the sea. -
CORRECT ANSWER- ✔✔True
Sailors were able to find longitude at sea before they could measure latitude. - CORRECT
ANSWER- ✔✔False
Keeping accurate time at sea is necessary to make - CORRECT ANSWER-
✔✔measurements of longitude and accurate maps.
Sediment thickness on the oceanic crust tends to be greatest in the center of ocean basins? -
CORRECT ANSWER- ✔✔False
The deepest earthquakes occur in subduction zones at oceanic-oceanic plate convergent
boundaries. - CORRECT ANSWER- ✔✔True
During the next magnetic reversal, the magnetic force field surrounding Earth will shift by
about - CORRECT ANSWER- ✔✔180
Which of the Earth's layers has the greatest density? - CORRECT ANSWER- ✔✔Core
, Volcanic activity is common at transform plate boundaries. - CORRECT ANSWER-
✔✔False
When talking about plate tectonics, which of the Earth's layers comprises the plates? -
CORRECT ANSWER- ✔✔Lithosphere
The San Andreas fault is an example of a transform fault. - CORRECT ANSWER- ✔✔True
The midocean ridges and rises are spreading centers where new oceanic crust is created. -
CORRECT ANSWER- ✔✔True
S waves are able to travel through both solid and liquid. - CORRECT ANSWER- ✔✔False
Oceanic-type crust is more dense than continental-type crust. - CORRECT ANSWER-
✔✔True
Volcanic activity occurs at all of the following except: - CORRECT ANSWER-
✔✔convergent boundaries between two continental plates.
ocean ridges.
Earth's inner core is liquid whereas its outer core is solid. - CORRECT ANSWER- ✔✔False
The mechanism causing lithospheric plates to move is thought to be - CORRECT ANSWER-
✔✔a combination of convection in the mantle and "slab pull" caused by subducting
lithosphere.
The theory of drifting continents was proposed by - CORRECT ANSWER- ✔✔Alfred
Wegener.
Which of the following are reasonable units of measurement for density? - CORRECT
ANSWER- ✔✔g/cm 3