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.
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...
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...
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.
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...
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...
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...
Alabama Learning Exchange
Alex: Surface Water Testing
In 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...
Other
Idaho Department of Environmental Quality: Common Water Quality Measures
An organized resource highlighting properties of freshwater and water quality concerns.