Air Pressure Worksheet by zde17276

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									                  Weather Factors Lesson 5
            Key Questions


1. How do high and low pressure systems
   influence weather?
2. How are isobars used to indicate areas of
   high and low pressure?



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Student Objective
Wednesday, December 08, 2010

OBJECTIVE: SWBAT describe
 atmospheric conditions related to weather
 systems.


Homework:
Isobar and Air Pressure Enrich Worksheet

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              Warm-Up
Copy and complete the review chart below
           on air pressure.

   Factors        Increase or     Air
                   Decrease     Pressure
    Density
  Temperature
  Water vapor
   Elevation

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          Today’s Activities

Review warm up and homework
“It’s a Breeze: How Air Pressure Affects
 You” Internet Activity Worksheet
Review CyberEd “Weather and
 Atmospheric Processes”
Notes on the relationship between air
 pressure & weather? (Slide 5)

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   Pressure & Weather Notes

 High Pressure- Generally air sinks & spins clockwise
   – Cooler, dry air                          -Clear, sunny skies
 Low Pressure- Generally air rises & spins counterclockwise
   – Warmer, humid air                        -Cloudy, precipitation, stormy




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                            http://students.k.csbsju.edu/krlynch/importance_of_convection_current.htm
              Conclusions

1. Based on today’s weather, what kind of
    pressure system do you think is
    dominating the area?




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