LEVEL I ACTIVITY WHEEL: Shows all the activites in the Level I curriculum.

ACTIVITY 3.1:  CHEMISTRY -- WHAT'S IN THE WATER?

Part A:  Solubility
Summary: Students observe the variation in solubility of oxygen in water of differing temperature and salinity. They investigate how oxygen is supplied to estuarine waters through abiotic and biotic methods.

Student  Self-Assessment for Activity 3.1.A

Part B:  Relationships
Summary: Students predict the relationship of  DO, salinity, temperature, and tides (depth). They analyze existing data and  compare their results to their predictions.

ACTIVITY 7:  SHARE THE DATA

Part A: Local  Issues
Summary: Students create a report that analyzes the  process used and the data gathered. They will relate that data to problems that  exist in their local watershed. The report will be submitted to the network and  their watershed coordinator for review.

Part B:  Conclusions and Questions
Summary: Students share what they  have learned with their community by creating a presentation for a selected  audience.