Oceanography-100 SDSU Exam 1
(SacramentoGrilo) questions with verified
correct detailed answers latest update 2025
geothermal energy --- correct answer ---heat from the earths interior
convection --- correct answer ---the physical movement of liquids
gases and viscous solids
how do convection cells move within the earth? What is its connection
to plate tectonics? --- correct answer ---the hotter less dense rock
rises becomes cool and denser and falls
how does density and temperature relate? --- correct answer ---hotter
= less dense
colder = more dense
what is thermal expansion of the ocean and where does it occur? ---
correct answer ---Warm in the equatorial region, density low, energy
high
, what is thermal contraction of the ocean and where does it occur? ---
correct answer ---Warm in the poles, density high, energy low
what is density and how do you apply this concept to rock and water?
--- correct answer ---mass/volume and if its more dense it sinks less
dense it rises
what does density have to do with convection? --- correct answer ---
Gravity pulls the denser materials (iron and nickel) to the core as well
as the cooler rock
what does density have to do with plate tectonics? --- correct answer -
--the more dense plates will sink below in the subduction processes
Origin of earth from a supernova explosion --- correct answer ---
Formation of our solar system from a nebula cloud made from a
collection of dust and gas. It is believed that the sun, planets, moons,
and asteroids were formed around the same time around 4.6 billion
years ago from a nebula, disc model
Density in the earth --- correct answer ---the densest materials are at
the core while the less dense are at the surface
(SacramentoGrilo) questions with verified
correct detailed answers latest update 2025
geothermal energy --- correct answer ---heat from the earths interior
convection --- correct answer ---the physical movement of liquids
gases and viscous solids
how do convection cells move within the earth? What is its connection
to plate tectonics? --- correct answer ---the hotter less dense rock
rises becomes cool and denser and falls
how does density and temperature relate? --- correct answer ---hotter
= less dense
colder = more dense
what is thermal expansion of the ocean and where does it occur? ---
correct answer ---Warm in the equatorial region, density low, energy
high
, what is thermal contraction of the ocean and where does it occur? ---
correct answer ---Warm in the poles, density high, energy low
what is density and how do you apply this concept to rock and water?
--- correct answer ---mass/volume and if its more dense it sinks less
dense it rises
what does density have to do with convection? --- correct answer ---
Gravity pulls the denser materials (iron and nickel) to the core as well
as the cooler rock
what does density have to do with plate tectonics? --- correct answer -
--the more dense plates will sink below in the subduction processes
Origin of earth from a supernova explosion --- correct answer ---
Formation of our solar system from a nebula cloud made from a
collection of dust and gas. It is believed that the sun, planets, moons,
and asteroids were formed around the same time around 4.6 billion
years ago from a nebula, disc model
Density in the earth --- correct answer ---the densest materials are at
the core while the less dense are at the surface
