To survive, we need oxygen in the air we breathe. Oxygen is also essential for most aquatic organisms, but there is much less oxygen available in water than in air. Learn how to measure dissolved oxygen and then see how oxygen concentration changes with water temperature.

Concepts

breathing, oxygen, water, environmental science, dissolved oxygen

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Additional Tags

science fair project, science buddies, science project

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Classroom Considerations

• Knovation Readability Score: 3 (1 low difficulty, 5 high difficulty)