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Relative Humidity Protocol DLESE Reviewed Collection
http://www.globe.gov/tctg/relhum.pdf?sectionId=11
From GLOBE Program Collection
Comment on this resource
The purpose of this activity is to measure relative humidity using both a sling psychrometer and a digital hygrometer. Intended outcomes are that students learn to quantify humidity and that there is a limit to the amount of water vapor that the air can hold. Students gain insight into why rain drops and snow flakes form and why there is precipitation. Supporting background materials for both student and teacher are included.
Intended for grade levels:
  • Primary (K-2)
  • Intermediate (3-5)
  • Middle (6-8)
  • High (9-12)
Type of resource:
  • For the classroom:
    • Field activity
    • Guide for instructor
Subject:
  • Atmospheric science
  • Environmental science
  • Geographical Sciences:
    • Human geography
Technical requirements:
Adobe Acrobat reader
Netscape browser
Cost / Copyright:
No cost
For science/educational use consistent with the methodologies of the GLOBE Program.
DLESE Catalog ID: GLOBE-11
Educational standards:
  • National Science Education Standards (NSES):
    • 5-8:
      • Unifying concepts and processes:
        • Change, constancy, and measurement
        • Evidence, models, and explanation
      • A - Science as inquiry:
        • Abilities necessary to do scientific inquiry
        • Understanding about scientific inquiry
      • B - Physical science:
        • Properties and changes of properties in matter
    • 9-12:
      • Unifying concepts and processes:
        • Change, constancy, and measurement
        • Evidence, models, and explanation
      • A - Science as inquiry:
        • Abilities necessary to do scientific inquiry
        • Understandings about scientific inquiry
      • B - Physical science:
        • Structure and properties of matter
Resource contact / Creator / Publisher:
Author: UCAR (University Corporation for Atmospheric Research)
The GLOBE Program
http://www.globe.gov/