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This movie provides an 18-minute introduction to how NASA is observing our ever-changing planet. On the The Dynamic Earth DVD Web page you can download the video as an iPod or iPhone version, as well as an AppleTV/Full resolution version, and access... (View More)

This is a video to accompany the Stanford Solar Center's Build Your Own Spectroscope activity. It serves as an introduction to several aspects of the Sun, including information about solar activity, effects of solar activity on Earth and other... (View More)

This is a companion DVD to the educators guide by the same name. It consists of a three-minute introduction, a 21-minute feature presentation, LRO/LCROSS segments to introduce the mission, and seven minutes of extra materials (includes AstroViz: Our... (View More)

Keywords: Careers

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)

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)

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)

This video provides step-by-step instructions for collecting soil samples in the field, and for analyzing and storing soil samples in the lab. Procedures for determining the bulk density, particle density, particle size distribution, fertility, and... (View More)

This video describes how to select a soil moisture study site and sampling strategy, and identifies what laboratory instruments will be needed to complete a soil moisture analysis. Students are shown collecting soil moisture data and asking... (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)