Introduce students to stream and river ecosystems without leaving the classroom. This virtual watershed tour uses hands-on activities to teach children about stream ecology, water quality, and how their own actions can affect a watershed. They test water samples (not included) for pH, dissolved oxygen, chloride, nitrate, and more. Activities stress observation, comparing, organizing and classifying, predicting, analyzing and summarizing, and communicating. Includes materials for 30 students, copymasters, and two posters.
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