What are the four branches of oceanography? Correct Answer-
Geographical Oceanography
Biological Oceanography
Physical Oceanography
Chemical Oceanography
Each of these are high interdisciplinary- a marine biologist has to know
currents to study movements of organisms
What is the earth's largest feature Correct Answer-The ocean; earth is
sometimes referred to the blue planet because of this;
the blue marble was an image captured by Apollo 17
What percent of the earth is covered by ocean? Correct Answer-70.78%
or 2/3
Every _____ m in depth responds to 1 kg/cm^2 (14.22 pounds/in^2) in
pressure Correct Answer-10
What is the deepest part of the ocean and what is the estimated pressure?
Correct Answer-Mariana Trench; pressure is 1.1 ton/cm^2 (7.82
ton/in^2); 1000 atmospheric pressure
,What did James Cameron do? Correct Answer-He was the first person to
reach 6.8 mile deep (11 kilometer deep) undersea valley solo.
What percent of earth is covered by water? Correct Answer-97%; most
water is in ground water and glaciers
What percent of the earth is covered by land? Correct Answer-3%
Salinity Correct Answer-measures how much mass of salt is in the water
Temperature Correct Answer-measures the internal energy in water
Where is most of the land distributed hemisphere wise? Correct Answer-
Northern Hemisphere
What is the average depth of the ocean? Correct Answer-3,796 m
(12,451 ft)
What is the average land elevation Correct Answer-840 m or 2772 ft
What is the deepest spot of the ocean? Correct Answer-Mariana Trench
11,022 m (36163 ft)
What is the average temperature of the ocean Correct Answer-3.9 C or
39 F
, Highest spot on land Correct Answer-Mount evert at 8844 m or 29028 ft
What is the average salinity (amount of salt?) Correct Answer-3.4% or
(34)
How old is the ocean Correct Answer-4 billion years old
How many oceans are there and what are their names? Correct Answer-
5; Pacific, Atlantic, Indian, Arctic, Southern
How do humans utilize the ocean? Correct Answer-1. transportation
2. Use for natural resources (food, minerals, oils, gas, energy)
3. High concentration of human population in coastal region
4. pollution
5. naval power
What is oceanography also known as and what is the definition of
oceanography? Correct Answer-Marine science; scientific study of the
ocean applied to science
What is Marine Biology? Correct Answer-The study of the nature and
distribution of marine organisms; Biological Oceanographer or Marine
Biologist study this
ex. Plankton; fisheries; marine mammals; marine communities; food