Show:
the oceans body
parts of the ocean
the old world
weather
100
great body of salt water
What is the definition of the ocean
100
an average of 43 miles.
how far does the continental shelf extend from the shoreline?
100
plate tectonics
What is the theroy that the crust of teh earth rest on plates the move
100
thermocline
What is a region of rapid temperature change
200
of or relating to the sea
What is marine
200
12,000 feet
the continental alope extends from the continental shelf and drops deeply how much?
200
pangaea
the name of one huge landmass that was supposedly that all the continents were conected
200
79 degress f
what is the temperture of tropical waters
300
chemical, pyshical, and biological aspects of the ocean
What is the scientific study of oceanography
300
abyssal plain
___________ is the flat deep part of the ocean floor
300
mariana trench
the deepest known part of the ocean
300
29 degrees f
what is the temperature of polar water
400
16,000 or 3 miles
What is the average depth of the ocean?
400
mid ocean ridge
_______ are underwater mountain chains that wind for 40,000 miles through all oceans
400
subduction zone
What is the area where one crustal plate pushed below another back into the mantle
400
29 degrees f
the freezing point of salt water is
500
atlantic, pacific, and the indian
What are three main subdivisons of the ocean?
500
atlantic
what ocean is getting larger
500
weathering and erosion of continental rocks
t he salt in the sea comes from
500
the salinity of salt water is denser and takes more energy to freeze
why is fresh waters freezing temperature different from salt waters?