Investigating Dissolved Oxygen
Experiment #3 from Investigating Environmental Science through Inquiry
- Subject
- Environmental Science
Introduction
Dissolved oxygen is one of the primary indicators of the quality of an aquatic environment. Oxygen enters water from the surrounding air, as a product of photosynthesis, and as a result of rapid movement of water. A Dissolved Oxygen Probe can be used in a wide variety of tests or experiments to determine dissolved oxygen concentrations (DO) and changes in dissolved oxygen concentrations.
Objectives
In the Preliminary Activity, you will gain experience using a Dissolved Oxygen Probe as you determine the DO level of a water sample provided by your teacher.
After completing the Preliminary Activity, you will first use reference sources to find out more about dissolved-oxygen issues in the environment before you choose and investigate a researchable question dealing with dissolved oxygen.
Sensors and Equipment
This experiment features the following sensors and equipment. Additional equipment may be required.
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This experiment is #3 of Investigating Environmental Science through Inquiry. The experiment in the book includes student instructions as well as instructor information for set up, helpful hints, and sample graphs and data.
