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Rickeys Stack

Properties of water/composition of oceans/ocean currents

QuestionAnswer
What is the percentage of nitrogen? 21%
What does water molecules look like? Oxygen at the top and hydrogen at the bottom two.
What does cohesion mean? The attraction among molecules that are alike.
What does adhesion mean? The attraction among molecules that are not alike.
The density of ice is lower than the density of the same volume of liquid water. True.
The density of freshwater is lowest at 4 degrees Celsius . False.
The particles of liquid water are closer together than the particles of the same volume of frozen water. True.
What is the five ways in witch water is a unique compound? Ice floats in water, some substances dissolve into water, water forms drops when it spills, water is naturally as a solid, liquid, gas, and last is that water has a high specific heat.
What is the definition of sea water? Water from the sea or ocean that has an average salinity of 35.
What is the definition of brackish water? Is fresh water that is mixed with sea water.
Define salinity. A measure of the mass of dissolved solids in a mass of water.
What are two sources of water for earths oceans? Condensation, and Asteroids and Comets.
What happens in the surface zone? This is where most fish hang out and even turtles.
What happens in the middle zone? A lot of squids hang out around here.
What happens in the deep zone? It is around 1000m where submarines go down.
What are the five earths oceans? Pacific, Atlantic, Indian, Southern, and Artic.
Are ocean currents worm or cold? Worm.
Does lots of things depend on ocean currents? Yes.
The heat from the sun condenses or evaporates the water in the ocean leaving only salt behind? Evaporates.
Warm air holds less or more heat than warm water? Less.
Thermohaline currents are warm salty or cold fresh water ocean currents? Warm salty.
The amount of salt in the ocean has or has not changed? Has not.
Data marker buoys drift with ocean currents or ocean temperatures? Ocean currents.
What is the percentage of salt in the ocean? 40%
Created by: WhiteDragon
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