Omega Engineering
Technical Dissolved Oxygen: The Fundamentals
This site is useful to find information about dissolved oxygen and the types of tests that are administered to determine the dissolved oxygen level.
Texas Instruments
Texas Instruments: Jason: Does Oxygen in the Water Matter
JASON Aquatic Field Study: Explore how dissolved oxygen is one of the best indicators of the health of an aquatic ecosystem. Measure the dissolved oxygen level of a local aquatic site and explore how it affects water quality.
National Geographic
National Geographic: Visualizing Watershed Health
Using data visualizations that show dissolved oxygen levels, students analyze the health of the Chesapeake Bay watershed. They will also learn about dead zones, which are aquatic areas where there is insufficient oxygen to support life....
Frostburg State University
Frostburg State Chemistry Online: Pressure & Oxygen Solubility
The effect of changing pressure on the solubility of oxygen in water. Explains how temperature and pressure affect dissolved oxygen levels. Includes example formulas.
Science Education Resource Center at Carleton College
Serc: Investigating the Water Quality of the Root River in Lanesboro, Mn
This field investigation will be in collaboration with Eagle Bluff Environmental Learning Center in Lanesboro, MN link to Eagle Bluff. It will include chemical, biological, and physical tests. The chemical tests will include kits where...
EL Education
El Education: Is Lake Merritt Worth 198 Million Dollars?
6th grade students from Oakland, California, created this report to show their answer to the question: "What do the dissolved oxygen levels tell us about the water quality of Lake Merritt?" Students explored this question to collect...