ACTUAL Exam Questions and CORRECT
Answers
hypothesis - CORRECT ANSWER - initial idea proposed to explain one or more facts;
must be testable
science - CORRECT ANSWER - supports the explanation of the natural world that best
explains all available observations
scientific theory - CORRECT ANSWER - structure of ideas that explain a wide range of
observations from the natural world
scientific method - CORRECT ANSWER - the empirical processes of discovery and the
characteristics that are necessary for scientific investigations
1) Observation 2) hypothesis 3)testing 4)theory
fields of oceanography - CORRECT ANSWER - geology, geography biology, chemistry,
physics, astronomy, engineering
Earths four spheres - CORRECT ANSWER - BIOSPHERE (living things),
ATMOSPHERE (gases), HYDROSPHERE (all water on Earth), LITHOSPHERE (landform)
mercator projection - CORRECT ANSWER - two dimensional depiction of spherical Earth
that is flat and exaggerates the poles
cross sectional view - CORRECT ANSWER - side view of the Earth (shows interior, two
dimensional)
block diagram - CORRECT ANSWER - three dimensional view of Earth (shows interior)
, 5 main oceans - CORRECT ANSWER - Pacific, Atlantic, Indian, Arctic, Antarctic
(Southern)
Pacific Ocean - CORRECT ANSWER - largest and deepest ocean, active margins,
trenches, less sediment build up
Atlantic Ocean - CORRECT ANSWER - here we see passive margins, and thick sediment
build up
Arctic Ocean - CORRECT ANSWER - smallest and shallowest ocean because its made of
shelf (ice)
Average depth of ocean - CORRECT ANSWER - 12,000 feet/ 3,800 meters/ 4km
Mariana Trench - CORRECT ANSWER - deepest part of the ocean (36,000 feet)
age oldest seafloor - CORRECT ANSWER - 180 million years old
age of ocean - CORRECT ANSWER - 4 billion years old
avg. ocean temperature - CORRECT ANSWER - 38 degrees Fahrenheit (4 degrees celsius)
abundant elements in the ocean - CORRECT ANSWER - hydrogen, oxygen, chlorine,
sodium
energy - CORRECT ANSWER - capacity to do work