Properties of water/composition of oceans/ocean currents
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| What is the percentage of nitrogen? | 21%
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| What does water molecules look like? | Oxygen at the top and hydrogen at the bottom two.
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| What does cohesion mean? | The attraction among molecules that are alike.
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| What does adhesion mean? | The attraction among molecules that are not alike.
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| The density of ice is lower than the density of the same volume of liquid water. | True.
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| The density of freshwater is lowest at 4 degrees Celsius . | False.
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| The particles of liquid water are closer together than the particles of the same volume of frozen water. | True.
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| 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.
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| What is the definition of sea water? | Water from the sea or ocean that has an average salinity of 35.
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| What is the definition of brackish water? | Is fresh water that is mixed with sea water.
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| Define salinity. | A measure of the mass of dissolved solids in a mass of water.
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| What are two sources of water for earths oceans? | Condensation, and Asteroids and Comets.
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| What happens in the surface zone? | This is where most fish hang out and even turtles.
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| What happens in the middle zone? | A lot of squids hang out around here.
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| What happens in the deep zone? | It is around 1000m where submarines go down.
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| What are the five earths oceans? | Pacific, Atlantic, Indian, Southern, and Artic.
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| Are ocean currents worm or cold? | Worm.
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| Does lots of things depend on ocean currents? | Yes.
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| The heat from the sun condenses or evaporates the water in the ocean leaving only salt behind? | Evaporates.
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| Warm air holds less or more heat than warm water? | Less.
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| Thermohaline currents are warm salty or cold fresh water ocean currents? | Warm salty.
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| The amount of salt in the ocean has or has not changed? | Has not.
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| Data marker buoys drift with ocean currents or ocean temperatures? | Ocean currents.
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| What is the percentage of salt in the ocean? | 40%
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Created by:
WhiteDragon
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