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Electrical Conductivity Protocol DLESE Reviewed Collection
The purpose of this resource is to measure the conductivity of water at a freshwater hydrology site. Students calibrate and take electrical conductivity measurements using an electrical conductivity meter. Students estimate the total dissolved solids from the electrical conductivity measurements.
Intended for grade levels:
  • Primary (K-2)
  • Intermediate (3-5)
  • Middle (6-8)
  • High (9-12)
Type of resource:
  • For the classroom:
    • Classroom activity
    • Field activity
    • Guide for instructor
Subject:
  • Hydrology
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-153
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
      • E - Science and technology:
        • Understandings about sci. / tech.
    • 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
      • E - Science and technology:
        • Understandings about science and technology
Resource contact / Creator / Publisher:
Author: UCAR (University Corporation for Atmospheric Research)
The GLOBE Program
http://www.globe.gov/