Science Education Resource Center at Carleton College
Serc: How to Measure Dissolved Oxygen
A general overview of dissolved oxygen and how it is measured. Also includes protocols for measuring dissolved oxygen in turbulent waters as well as using the Winkler titration method.
Texas Instruments
Texas Instruments: Dissolved Oxygen
Students use the Dissolved Oxygen Probe to measure the concentration of dissolved oxygen in water from streams and rivers. They correlate the availability of dissolved oxygen to temperature, pressure, and salinity.
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.
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...
Science Education Resource Center at Carleton College
Serc: Investigating Ponds and Streams: How Clean Is Our Water?
In this field lab, learners investigate the differences in three city ponds. Students will compare pond life, temperature, pH, Ammonia, dissolved oxygen, and Nitrate. The student use the pond sheets (Flinn Scientific Catalog 2007) to...
Other
Water on the Web: The Chemistry of Oxygen Solubility
This resource provides a description of oxygen solubility in water as it relates to temperature and pressure with introductory definitions and sample data to analyze. Animations require Shockwave plugin.
Other
Epa New England: Long Island Sound Facts, Figures, and Maps
Listing of various fact sheets created and published through the Long Island Sound Study. Topics include How Low Dissolved Oxygen Conditions Affect Marine Life in LI, Impact of Atmospheric Nitrogen Deposition on Long Island Sound, Sound...
Frostburg State University
Why Does the Solubility of Gases Usually Increase as Temperature Goes Down?
This chemistry course article, "Why does the solubility of gases usually increase as temperature goes down?," provides text and related links on the effects of temperature and pressure on the solubility of gases.
Curated OER
Dissolved Oxygen
This site talks about the importance of dissolved Oxygen and provides field testing kit information.
Science Education Resource Center at Carleton College
Serc: Disasters to Nature: Sensitivity of Ground Water Systems to Pollution
Students visit three sites to investigate the areas where there is very high sensitivity for ground-water pollution. They also test the quality of water, measuring the dissolved oxygen, pH, total phosphate, nitrates, turbidity, and...
Science Education Resource Center at Carleton College
Serc: Interdisciplinary Field Investigations of a Campus Pond
The primary activity described here is measurement of sub-surface water properties in a local pond (e.g., temperature and dissolved oxygen).
Texas Instruments
Texas Instruments: Jason: Health of Aquatic Life a Real Problem
JASON Aquatic Field Study: Use water temperature, turbidity, and dissolved oxygen data collected by researchers to examine the quality of an aquatic site using a TI-73 Explorer to graph and analyze the values and determine its water...
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...
Alabama Learning Exchange
Alex: Surface Water Testing
For this environmental science lab you will chemically test a nearby creek or pond for dissolved oxygen, pH, alkalinity, hardness and turbidity. This is a field test and will determine the water quality of standing body of water. The lab...