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Wind direction is given by the direction from which the wind comes.

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It is caused by differences in air pressure. Air rushes from high pressure areas to lower ones.

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Wind is the flow of gases, here on Earth it refers to the movement of air.

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A person can live about a month without food, but only about a week without water.

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Water expands by 9% when it freezes. Frozen water is lighter than water, which is why ice floats in water.

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The average cost for water supplied to a home in the U.S. is about $2.00 for 1,000 gallons, which equals about 5 gallons for a penny.

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Water is composed of two elements, Hydrogen and Oxygen. 2 Hydrogen + 1 Oxygen = H2O.

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Water Regulates the Earths Temperature. It also regulates the temperature of the human body.

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75% of the human brain is water, 75% of a living tree is water.

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Nearly 97 Percent of Water on earth is salty or Undrinkable.

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Global Convection Currents- Temperature differences between the poles and the equator cause giant convection currents - air in the lower atmosphere moves from the poles toward the equator; in the upper atmosphere air moves toward the poles.

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Jet Streams- Large bands of high speed winds, hundreds of kilometers wide, that blow 10 km. above Earth's surface.  They blow about 200-400 km per hour.

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There is the same amount of water on Earth as there was when the Earth was formed.

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No living organism can survive without water.

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Wind and Water Shape the Land.

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Wind Vane- A instrument that tells the winds direction

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HydroPower- A renewable energy resource that uses the force or energy of moving water to generate electricity.

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Hydroelectric Plants- plants use water in a different way, converting the energy in falling water into electricity by passing it through turbines.

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Wind Turbines- convert the kinetic energy in the wind into mechanical power.

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Water- A colorless,transparent,
odorless,Tasteless, liquid that forms the seas,lakes, and Rivers.

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Erosion happens when Wind or Water rubs or Blows against land or Rocks

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Sea breeze - The flow of air from an ocean or lake to the land.

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Wind - The horizontal movement of air from area of high pressure to an area of low pressure.