Weather

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 * == Weather Wise ==

** The Elements of Weather **
|| **Understanding Basic Concepts** - explain the difference between weather and climate and the factors that influence both of these systems - identify patterns in air movement - identify the effects of air pressure ||

What is Weather?
[]

1. Define weather.** The WEATHER is the condition of the atmosphere (or changes in the atmosphere) at a particular time and place. ** 2. What four factors affect weather
 * ** the air **
 * ** the sun **
 * ** water **
 * ** the earth's movement **

Weather vs Climate
__ [] __ 3. What is the difference between climate and weather? **Climate ** is what you expect; **Weather** is what you get.
 * Climate** is about long-term records, trends and averages;
 * Weather** is the day to day experience.


 * Climate** is the sum or synthesis of all the weather recorded over a long period of time. It tells us the average or most common conditions, or extremes, or counts of events, or frequencies. **Weather** is a description of conditions over a short period of time - a "snap shot" of the atmosphere at a particular time.

If **weather** is the watch then **climate** is the calendar.

Air Pressure
__ [] __ 4. Complete the following chart:

Down || .Up Up || Cooler ||. Warmer || Slower ||. Faster || Good Weather ||. Bad Weather ||
 * || ==== **High Pressure** ==== || ====** Low Pressure **==== ||
 * Air movement (up or down) || .Down
 * Temperature of air ||.
 * Wind movement at ground ||.
 * Expected weather ||.


 * || == Weather Wise ==

** Measuring the Weather **
|| **Developing Skills of Inquiry, Design and Communication** - design, construct, and test a variety of weather instruments - use appropriate vocabulary, including correct science and technology terminology, in describing their investigations and observations ||

[] Use the information to complete the chart. The source of this information is American so you may have to determine the equivalent metric unit to record in the chart.
 * The following web site describes some of the instruments meteorologists use to collect data about the weather. **

Barometer || Air pressure || Millibars || Anemeters || Wind speed ||. MPH || Air temp. || F and C degrees || Weather Gauge || Rainfall || MM. || Campbell Strokes Recorder || Sunlight || Glass ball || Wind vane || Wind Direction || North, East, South,West || Hygrometer || Tempuature and Humidity || F degrees ||
 * ** Instrument Name ** || ** What It Measures ** || ** Unit of Measurement ** ||
 * Thermometer ||


 * || == Weather Wise ==

** Clouds **
|| **Understanding Basic Concepts** - explain the formation of clouds and the effects of different cloud formations on weather and climate ||

1. What are clouds?**Clouds are a visible mist of billions of water and ice particles floating in the sky.** 2. Explain how clouds form.**Clouds form when air cools below its saturation point and causes water vapor to condense into tiny water droplets.** 3. What are the 3 "families" of clouds and what do their Latin names mean?Cirrus means curl,Stratus means spread out,and cirrostatrus means thin. 4. Follow the links to learn about each type of cloud and then complete the table on the next page. To help you identify clouds, download, print and construct the following "Cloud Key". [] After completing the chart, you could try a Cloud Quiz at; [] 
 * Use this web site to answer the following questions. **
 * [] **


 * || ==Weather Wise==

**Forecasting**
|| **Understanding Basic Concepts** -recognize large-scale and local weather systems - predict local weather patterns using data from their own observations of weather and from weather reports - identify patterns in air movement ||


 * Read the details at [] and follow the links.**

Cloud Forecasting

 * **Cloud Type** || **Description** || **Possible Weather** ||
 * cirrus || High wispy ice clouds.. || Good weather ||
 * altocumulus || Thick blue gray blanket-like clouds made of ice and water at middle heights. || Rain or snow ||
 * nimbostratus ||  ||   ||
 * cumulus || Fluffy lower clouds that often "grow" during sunny days. || Fair weather ||
 * cumulonimbus || Giant thunderhead clouds that tower to high heights. || Heavy rain,hail,winds, and lighting ||

Wind Forecasting

 * **Wind Direction** || **Possible Weather** ||
 * North ||  ||
 * South ||  ||
 * East ||  ||
 * West ||  ||

||
Weather Wise ==

**Warm and Cold Fronts **
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 * **Understanding Basic Concepts** - explain the difference between warm and cold fronts and the factors that influence both of these systems - identify types of weather associated with each front || [] [] Write the capital letter A or B at the end each sentence. A = Cold Front B = Warm Front  1. Cool air mass - warm air mass moves in. A 2. Warm air mass - cool air mass moves in. B 3 . Brings gentle rains that may last for hours or days. B 4. Strong winds are formed followed by heavy rain, crashing thunder, and flashing lightning.A 5. When the front passes, the temperature warms up and it becomes humid.B 6. When the front passes, the weather turns cooler.A 7. Farmer Brown prefers this type of front.B 8. Usually happens and is over with quickly.A ===

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