oceans Flashcards
Pacific ocean
largest and deepest ocean
Atlantic ocean
2nd largest, covers 20% percent of the worlds water
Indian ocean
3rd largest covers 19.8% of the worlds water
Arctic ocean
smallest and shallowest coldest ocean
Southern ocean
encircles antartica
Salinity
saltiness of a body of water
surface zone
sunlight zone top of water goes down about 200 meters
Thermocline
thin layer in the ocean where tempature changes rapidly
deep zone
4000 meters or lower in the ocean
water cycle
continues cycle of water
Evaporation
water changes from water to gas
Condensation
gas changes back to liquid
Precipitation
water vapour falls under graviy in a cloud
continental shelf
portion of the continent that is under water
continental slope
the slope between the continental shelf and deep ocean
continental rise
final stage between the land and the deepest part fo the ocean
abyssal plain
inder water palain in the deepest part of the ocean floor
mid-ocean ridge
sea floor system formed by plate tectonics
rift valley
continous trenches
Seamount
submarine mountain
ocean trench
topographic depressions in the ocean floor
Plankton
diverse collection of organims
Nekton
aquatic animals that are able to swim and move independently of water currents.
Benthos
flora and fluna found on the ocean floor
desalination
is a process that takes away mineral components from saline water