Science Education Resource Center at Carleton College
Serc: Lake Investigation: Determining Lake Type and Health Using the Internet
In this learning activity, students will analyze different lakes using the Lake Finder program on the Minnesota Department of Natural Resources website to research lake characteristics and their health. Students will be completing a...
TeachEngineering
Teach Engineering: Gravity Fed Water System for Developing Communities
Students learn about water poverty and how water engineers can develop appropriate solutions to a problem that is plaguing nearly a sixth of the world's population. Students follow the engineering design process to design a gravity-fed...
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 Education Resource Center at Carleton College
Serc: Observing Stream Erosion, Calculating Stream Discharge
In this investigation, students will observe erosional patterns in a small stream, calculate discharge at four different points, draw depth profiles for the points where they determined discharge, and collect data on stream chemistry and...
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.
US Environmental Protection Agency
Epa: Water: Environmental Topics: Water Topics
Find out how EPA research supports efforts under the Clean Water Act and Safe Drinking Water Act.
Other
Idaho Department of Environmental Quality: Common Water Quality Measures
An organized resource highlighting properties of freshwater and water quality concerns.
Other
A More in Depth Look at Turbidity
A clear concise site that defines turbidity, states why it is important, discusses measuring turbidity, and lists natural and human factors that affect the turbidity of water.
Other
Lenntech: What Is Turbidity?
This informative site defines turbidity, lists its causes, addresses how much turbidity is allowed in drinking water, examines the consequences of high turbidity, and more.