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Weather Conversions Worksheet

Name______________________ Date_______________________


What do meteorologists and weather reporters mean when they talk about "pressure"? Go to Atmospheric Pressure (http://ww2010.atmos.uiuc.edu/(Gh)/guides/mtr/fw/prs/def.rxml) and find out! Then use what you know to convert one unit of pressure to another.

1. What is atmospheric pressure?


2. Which two units do meteorologists and weather reporters commonly use to describe pressure?


3. Read the information on the website and convert:

29.92 inches of mercury (Hg) equal how many millibars (mb)?

What about 1 inch of Hg?

4. Complete the table.

Millibars
Inches of Mercury
33.87
 
 
15
900
 
 
39
1500
 

5. Write a formula for converting millibars to inches of mercury. (Hint: Use variables. For example, how many inches of mercury are equal to x millibars?)




6. Write a formula for converting inches of mercury to millibars. (Hint: Use variables. How many millibars are equal to y inches of mercury?)

 




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