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Ocean Review

Properties, Composition, Currents

How many states of matter can water exist in? 3
Water becomes less dense when frozen causing it to... float on liquid water
What causes waters unique properties? it's molecules
What are the strong forces between water molecules called? cohesion
Why can water be called the universal solvent? many substances can dissolve in it
What is polarity? when opposite ends of a molecule have slightly opposite charges, but the overall charge of the molecule is neutral
Why are water molecules attracted to each other? the positive charges of the nitrogen attract to the negative charge of the oxygen
What does ice do yo the lake to make it possible for organisms to live in it during the winter? it insulates it
What are Earth's five oceans? Atlantic, Pacific, Indian,Southern, and Arctic
What are the two sources of water for Earth's oceans? condensation from the water cycle and asteriods+comets
What is salinity? a measure of the mass of dissolved liquids in a mass of water
What are continental margins? extend from the shoreline to the deep ocean
What are abyssal plains? large, flat, areas of the sea floor that extends across the deepest parts of the ocean basin
What are mid-ocean ridges? continuous mountain ranges that extend throughout ocean basins
What are ocean trenches? ocean tectonic plates collide with continental plates and form deep canyons and trenches along edge of an abyssal plain; deepest part of the ocean
What are the four criteria scientists use when classifying ocean zones? amount of sunlight, temperature, density, and salinity
What are currents caused by? the wind and salinity
What is an ocean current? a river of water running through the ocean
Thermohaline currents are... warm and salty
What do data marker buoys drift with? ocean currents
Has the amount of salt in the ocean changed? no
The flow of currents in Northern and Southern Hemispheres are... opposite
Where is the most powerful ocean current the Gulf Stream found? the Atlantic Ocean
Does arm air hold more or less heat than warm water? less
Created by: syd1292