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Parker Gothard

on 16 December 2014

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Transcript of Weather

by Parker Gothard
Temperature is how hot or cold it is by using a thermometer. It can be recorded as Fahrenheit or Celsius.
The altitude can matter and makes it warmer or colder outside. The higher up you are, the colder it is. The closer you are to the equator, the warmer it is.
The Water Cycle
Weather is all around us. It is the state of the atmosphere that causes it to be warm, cold, stormy, snowy, rainy, hail and more.

Weather is caused by the change in air pressure as the sun hits the earth in different areas. The sun hits the areas by the equator more than it hits the north and south pole. Because of how it hits those areas, the air pressure is denser and it makes the air change which creates weather.
What is weather? What causes weather?
Air Pressure
Weather Tools
Rain Gauge
Weather Map
Types of Precipitation:
Weather Balloon
An anemometer tracks how fast wind blows.
A barometer is a tool
that measures atmospheric pressure.
A rain gauge measures the amount of liquid that falls.
A weather map shows conditions above a large portion of the earths surface.
A thermometer measures the air temperature.
A weather balloon measures conditions high up in the atmosphere.
Wind Vane
A wind vane shows the direction the wind is blowing.
A compass is a navigational instrument for finding directions.
A hygrometer measures water vapor content of air or humidity.
Weather Satellites
A weather satellite is used to photo graph large scale air movements.
Your Eyes
Your eyes are one of the best ways to detect weather.
There are different types of clouds like:
There are also combinations of the clouds like:
wind is air in motion.Wind is produced by uneven heating of the earth's surface by the sun.
Did you know that if there is to much uneven heating wind can cause tornadoes.
There are four stages to the water cycle Evaporation,Condensation,Precipitation,
and Collection. Evaporation is when water from a sea or ocean goes up in the air in tiny water particles.Condensation is when those tiny water particles come together and form a cloud. Precipitation is when that cloud gets to big and begins to fall as rain.Collection is finally when that rain falls on land and back into the ocean or sea and starts the cycle over again.
Water Cycle:
Humidity is the amount of water vapor in the air. Water vapor is the gaseous state of water and is invisible. Humidity indicates state of precipitation, dew,or fog.
Wind is caused to blow by warm air, which weighs less than cold air,rises. Then cold air moves in and replaces the rising warm air. This movement of air is what makes the wind blow.
Sling Psychrometer
A Sling psychrometer measures relative humidity,using the cooling effect of evaporation.
Air pressure is the force exerted on you by the weight of tiny particles of air.
There are two different types of air pressure warm and cold. Cold pressure is dense and has higher pressure.Warm pressure is less dense and has lower pressure.
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