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Earthworks
Earth System Science for Secondary Teachers
Determining Relationship between Air Temperature and Relative Humidity
What I want to do:
- Have all students collect air temperature and relative humidity data throughout the day, in order to comprehend the relationship between these variables. Also to have students analyze individual group data vs. class average data in terms of quality control and error measurement.
- Procedure: done in winter over 3 days - compare indoors vs. outdoors
- Have students pair up - each group with a thermometer and sling psychrometer
- Each pair will record both measurements both indoors and outdoors (with each student doing each measurement).
- Each class will record same measurements throughout the day
- Each class will also calculate a class average temperature, rel. humidity for each period.
- Each student will graph temp. vs. rel. humidity for their group and class average data.
- Each student will determine relationship between variables, and make comparison between group data and class average data. Offer possible reasons for any discrepancies.
Students will learn:
- Air contains water vapor
- Relationship between temp and rel humidity
- Become more proficient in graphing
- How to critically look at data and error in measurements
Ownership: Choose partners, outdoor location, indoor location, and to use data as part of their long-term "Weather Scrapbook".
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