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The South Dakota Discovery Center is issuing a call for water transparency data from lakes, streams, rivers, ponds in South Dakota using a turbidity (or transparency) tube, often referred to as a t-tube since both transparency and turbidity start with the letter t.  The t-tube is a simple instrument. It is a tall, transparent tube of at least 120 centimeters that is marked off in...


Posted in: Curriculum: STEM Investigation Areas: Hydrosphere » Water Transparency Primary Audience: Teachers

Guest blogger 4H Youth Program Advisor Jane Amiotte uses GLOBE in an informal education setting.


Posted in: Curriculum: STEM Investigation Areas: Pedosphere (Soil) » Soil Characterization Earth As a System Hydrosphere » Freshwater Macroinvertebrates Biosphere » Biometry (including Tree Height) Atmosphere » Aerosols Primary Audience: Trainers Teachers Teacher's Guide: Grade Level » Upper Primary: 3-5 Grade Level » Lower Primary: K-2