Air Pressure Conversion and Chart Interpretation

The video tutorial focuses on the air pressure chart found on page 13 of the Earth Science reference table. It begins with an introduction to the chart, explaining its layout and the units used, such as millibars (mbars) and inches of mercury. The tutorial then provides a detailed explanation of how to read the chart and convert between these units. Practical examples are given to demonstrate the conversion process, ensuring viewers understand how to apply this knowledge. The tutorial concludes with a summary of the conversion techniques discussed.

What page of the Earth Science Reference Table contains the air pressure chart?

• Page 20

• Page 10

• Page 13

• Page 15

What are the two units of measurement used in the air pressure chart?

• Pascals and inches of mercury

• Millibars and inches of mercury

• Millibars and Pascals

• Inches of mercury and Pascals

How many lines are there between each major interval on the millibar side of the chart?

• Five

• Three

• Two

• Four

What is the value of each smaller line on the inches of mercury side of the chart?

• 0.001

• 0.1

• 0.0001

• 0.01

What is the significance of the larger line in the middle of the inches of mercury chart?

• It represents 0.5

• It represents 1.0

• It represents 0.05

• It represents 0.1

If you have 133.0 mbars, what is the equivalent in inches of mercury?

• 30.60

• 30.55

• 30.50

• 30.65

What is the first step in converting 30.55 inches of mercury to mbars?

• Find 30.6 on the chart

• Find 30.55 on the chart

• Find 30.5 on the chart

• Find 30.65 on the chart

What is the equivalent of 30.55 inches of mercury in mbars?

• 133.5 mbars

• 135.5 mbars

• 132.5 mbars

• 134.5 mbars

What is the purpose of the air pressure chart on page 13?

• To measure temperature

• To convert between different air pressure units

• To convert between different temperature units

• To measure humidity

What is the final step in converting between mbars and inches of mercury?

• Check the reference table

• Multiply by a conversion factor

• Carry the line over to the other side

• Divide by a conversion factor