answers
Pacific Ocean Correct Answer-Deepest and largest ocean
Atlantic Ocean Correct Answer-Second largest ocean; separates the Old
World from the New World
Indian Ocean Correct Answer-Slightly smaller than the atlantic ocean
but has the same average depth; mostly in the southern hemisphere
Arctic Ocean Correct Answer-Smallest and shallowest ocean; has a
permanent layer of sea ice
Antarctic or Southern Ocean Correct Answer-Ocean that connects the
pacific, atlantic and indian oceans; south of about 50 degrees south
latitude
Ocean versus Sea Correct Answer-Smaller and shallower than oceans,
salt water, enclosed by land
Phoenicians Correct Answer-The first Mediterranean people known to
have developed the art of navigation
Eratosthenes Correct Answer-Determined the Earth's circumference in
200 B.C.
,Ptolemy Correct Answer-Produced a map of the world in about 150 a.d.
that represented the extent of Roman knowledge at that time (first world
map)
Ptolemy Correct Answer-Overestimated the size of Asia which later
caused Christopher Columbus to believe he has encountered parts of
Asia rather than a new world
Oceanography Correct Answer-Literally the description of the marine
environment; the scientific study of all aspects of the marine
environment; also called marine science
Geological oceanography Correct Answer-The study of the structure of
the sea floor and how the sea floor has changed through time; the
creation of the sea floor features; and the history of sediments deposited
on it
Chemical oceanography Correct Answer-The study of the chemical
composition and properties of seawater, how to extract certain chemicals
from seawater, and the effects of pollutants
Physical oceanography Correct Answer-The study of waves, tides and
currents, the ocean-atmosphere relationship that influences weather and
climate, and the transmission of light and sound in the oceans
, Biological oceanography Correct Answer-The study of the various
oceanic life-forms and their relationships to one another, their
adaptations to the marine environment and developing sustainable
methods of harvesting seafood
Scientific Method Correct Answer-Observation, hypothesis, testing and
modification of hypothesis, theory
The Nebular hypothesis Correct Answer-States that all bodies in the
solar system formed from an enormous cloud composed mostly of
hydrogen and helium, with only a small percentage of heavy elements
Universe Correct Answer-The huge space which contains all of the
matter and energy in existence
Galaxy Correct Answer-One of billions of systems, each a giant
collection of gas, dust and billions of stars
Stars and suns Correct Answer-High temperature bodies; one has
planetary systems and the other does not
Proto-earth Correct Answer-Looked very different from Earth today
It was larger, there were no oceans and no life
Thought to be homogenous, which means that it had a uniform
composition throughout