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...
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...
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.
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
Dissolved Oxygen
This site talks about the importance of dissolved Oxygen and provides field testing kit information.
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.
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.
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....
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...
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.
US Geological Survey
Usgs: Common Water Measurements
This site from the U.S. Geological Survey provides great definitions of seven measurements that can be taken on water. Includes pH, dissolved oxygen, and turbidity. Click Home to access the site in Spanish.
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...
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...
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
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.
Science Buddies
Science Buddies: Harmful Algal Blooms in the Chesapeake Bay
Harmful algal blooms occur when algae, which form the base of the ocean food web, grow in massive numbers and produce toxic or harmful effects on people, fish, shellfish, marine mammals, and birds. In this project you will learn how to...
Science Education Resource Center at Carleton College
Serc: Investigating Ponds and Streams: How Clean Is Our Water?
In this field lab, students 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
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...
NOAA
Noaa: Estuaries 101 Curriculum: Survival in an Estuary
This activity introduces students to the nature of estuaries, estuarine environmental factors, and four important abiotic factors-pH, temperature, dissolved oxygen, and salinity-and how they vary in estuaries. A PowerPoint presentation,...
NOAA
Noaa: Estuaries 101 Curriculum: Chemistry in an Estuary
This activity introduces students to the complex chemistry of estuarine water. Students investigate how chemical and physical water quality factors-pH, temperature, dissolved oxygen, and salinity-change and interact over varying time...
Center for Innovation in Engineering and Science Education, Stevens Institute of Technology
Ciese Collaborative Projects: The Global Water Sampling Project
By testing your local water quality, you will be able to compare your results with students around the world. Register your class, and follow the project instructions. Additional teacher resources, references, and Ask-an-Expert sources...
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