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Dancing in the Stratosphere

Dancing in the Stratosphere. Zac Brown Joe Moscato Matthew Olsen PRHS. Will the rate at which barometric pressure decreases, decrease consistently or inconsistently? How will temperature play into the equation?

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Dancing in the Stratosphere

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  1. Dancing in the Stratosphere Zac Brown Joe Moscato Matthew Olsen PRHS

  2. Will the rate at which barometric pressure decreases, decrease consistently or inconsistently? How will temperature play into the equation? Hypothesis: We believe the rate will be inconsistent, based on our knowledge that temperature is also inconstant in the atmosphere. To find out the answer, we used a LabQuest, gas pressure sensor, a WDSS altimeter, and a thermometer. Project Overview

  3. Temperature VS Altitude Graph • 10 ft off the ground, temperature is 71.8 F • Where the temperature drops, the balloon is stopped for about 2 minutes • Ascending, the temperature generally decreases • Descending, the temperature begins decreasing until it reaches about • 700 ft, at which point it begins to generally increase again

  4. Pressure VS Altitude Graph • At 10 ft off the ground, the pressure is at about 100 kPa • As the balloon ascends, the pressure decreases at a constant rate to reach about 96.2 kPa • As the balloon descends, the pressure increases to again reach 100 kPa • The line representing pressure is so thick because it depicts both ascending and descending

  5. Special Thanks To Tobin James Cellars UCSC, SCIPP, Quarknet, NSF, and NASA Mr. Kliewer Mr. Grillo Mr. Hartman Ms. Bredensteiner

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