Filters: Your search found 16 results.
Educational Level:
Upper elementary  
Topics/Subjects:
Earth structure  
Resource Type:
Documentary  
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Now showing results 1-10 of 16

This twelve-minute YouTube video incorporates NASA imagery and visualizations as it traces the history of air quality research.

Keywords: Air pollution
Audience: Elementary school, Middle school
Materials Cost: Free

Focusing on air, water, land and life, this video describes how these components are connected in the Earth system through the flow of energy, cycles of water and biogeochemistry. Methods of studying the Earth system, ranging from field observations... (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)

This video introduces the measurement of dissolved oxygen in a water body as an important indicator of ecosystem health, and demonstrates students analyzing a water sample for dissolved oxygen. The resource includes a video and a written transcript,... (View More)

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 provides a step-by-step guide to determining nitrate and nitrite concentrations in a water sample, using a nitrate testing kit. It describes what chemical reactions are taking place throughout the testing process. The resource includes a... (View More)

The video is a procedural guide to sampling salinity measurements in water bodies in the field. It provides a step-by-step explanation of field procedures and features students conducting the investigation and asking questions about what changes in... (View More)

This video demonstrates students measuring the acidity of water, using pH indicator paper and a pH meter. The resource includes a video and a written transcript, and is supported by the Water pH Protocol in the GLOBE Teacher's Guide. This is one of... (View More)

This video highlights students taking scientific measurements to support investigations in atmospheric science, hydrology, soils, and land cover. It shows students reporting data through the Web, creating scientific visualizations for analysis, and... (View More)

This video demonstrates students locating and preparing a study site where they can conduct field observations. The procedure used when describing a soil profile is outlined. The properties of soil are described, including the structure, color,... (View More)

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