This is an activity that was developed to give participants an understanding of the hydrosphere. In this one-hour long activity, participants learn about the hydrosphere by making observations and taking measurements. They will go outside and use scientific equipment to investigate temperature, pH and transparency of a body of water. They will use this qualitative and quantitative data to understand why it is important to know about the condition of freshwater sources in many places in the natural environment and how these places are connected in the water cycle.

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• Teacher Guide (pdf)
• Student Capture Sheet (pdf)
• Presentation (ppt)

Other "Survivor: Earth" Lessons:

The following lessons have been developed to teach students about local and global water issues. They are based on NASA’s Global Precipitation Measurement (GPM) Mission and an instructional module designed for Montgomery County Public Schools Outdoor Environmental Education Program (http://www.montgomeryschoolsmd.org/curriculum/outdoored/). 

1. Connect the Spheres: Earth Systems Interaction
2. Earth's Water
3. The Water Cycle
4. Water in the Hydrosphere
5. Water in the Geosphere
6. Water in the Biosphere
7. Water in the Atmosphere
8. Measuring Precipitation
9. Water Conservation
10. The Global Precipitation Measurement Mission (GPM)