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Earth and space science
The nature of science
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SMD Forum
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Topics/Subjects:
The nature of science  
Learning Time:
5 to 10 minutes  
Educational Level:
Elementary school  
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The video is a procedural guide to sampling electrical conductivity measurements in water bodies using standardized GLOBE protocols. It provides a step-by-step explanation of the field procedure and features students conducting the investigation and... (View More)

This video demonstrates students measuring the alkalinity of a water sample, using an alkalinity test kit. The resource includes a video and a written transcript, and is supported by the Alkalinity Protocol in the GLOBE Teacher's Guide. This is one... (View More)

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