Curated OER
Ocean Microstructure
Students assess the ocean's microstructure by analyzing graphs created during tne Ronald H.Brown research cruise. they discuss at what depths various sea animals live and write paragraphs on data analysis from the graphs.
Science Buddies
Science Buddies: I'm Trying to Breathe Here! Dissolved Oxygen vs. Temperature
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...
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: Phytoplankton Productivity
A lab experiment to estimate the rate of photosynthesis by measuring the dissolved inorganic carbon found in the water. Students will be able to calculate primary productivity of the phytoplankton in this lab
NOAA
Noaa: Estuaries 101 Curriculum: Dissolved Oxygen in an Estuary
In this activity, students focus on the relationship between dissolved oxygen, plant growth, chlorophyll-a and temperature using SWMP water quality data from monitoring stations in the Narragansett Bay Estuarine Research Reserve and the...
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.
Other
Water on the Web
Water on the Web (WOW) is an advanced site allowing students to actively participate in data analysis from real research sites. Lesson plans on a range of topics are provided. There is also a tutorial for using Excel to graph WOW data.
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....
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: 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: 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.
Other
Idaho Department of Environmental Quality: Common Water Quality Measures
An organized resource highlighting properties of freshwater and water quality concerns.
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.
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.
Other
Dissolved Oxygen
This site talks about the importance of dissolved Oxygen and provides field testing kit information.
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.
Curated OER
Dissolved Oxygen
This site talks about the importance of dissolved Oxygen and provides field testing kit information.