The Water Cycle Science Studies Weekly Earth-Space Science Week 6
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cohesion
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water is attracted to other water molecules and will clump together in drops.
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surface tension
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water molecules of the surface of the water will attract each other more strongly than molecules underneath.
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capillary action
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water will be pulled along through long, narrow openings.
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solvent
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polarity of water molecules makes them very good at surrounding other molecules and dissolving them.
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evaporation
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process that occurs when water changes state from liquid to gas.
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condensation
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cooling of water in the atmosphere changing from a gas to a liquid.
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precipitation
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water droplets fall from the atmosphere in the form of rain, sleet, snow or hail.
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transpiration
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the process in which plants give off water and vapor through leaves.
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desalination
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removing salt from the ocean water to make fresh water.
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percolation
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the process in which water moves slowly through soil and rock.
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oceans
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about 97% of Earth's water is found here.
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runoff
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precipitation flowing across smooth, paved surfaces into rivers or lakes.
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water cycle
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when Earth recycles its water.
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water vapor
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rises in the atmosphere until it reaches the upper atmosphere where the surrounding air is colder.
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oceans, ice, rivers & lakes, and below the Earth
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the four places where we find Earth's water.
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polar ice caps
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contain almost all freshwater on Earth.
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rivers and lakes
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where you will find most of the fresh water on the surface of the Earth.
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below the Earth
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where there is far more fresh water underground than there is on Earth's surface.
