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Lesson Plan
Curated OER

Diurnal Cycling Experiments

For Teachers 9th - 12th
Students carry out an experiment to monitor diurnal fluctuations in dissolved oxygen, carbon dioxide, pH, and water temperature. They determine the CO2 and pH of the samples (and optionally, dissolved oxygen). Students complete their...
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Lesson Plan
Curated OER

Dissolved Oxygen Lesson

For Teachers 6th - 12th
Students investigate what dissolved oxygen is and why it is important to aquatic life and what factors influence levels of dissolved oxygen in a lake. They study how to use MS Excel to make charts to show trends and correlations.