Determination of Overall Water Quality Using a Quantitative Macroinvertebrate Survey
Students examine water samples from a local stream. They identify various types of macroinvertebrates found in that water ecosystem and perform a quantitative macroinvertebrate survey to determine the stream's water quality.
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Use of Dichotomous Keys to Identify Stream Organisms
What kind of organisms are living in the stream? After an explanation on how to use a dichotomous key, groups of three to four use the keys to identify macroinvertebrates from a local freshwater stream. Using the the concept of Stream...
8th - 12th Science
Using Water Chemistry as an Indicator of Stream Health
Will this water source support life? Small groups test the chemistry of the water drawn from two different sources. They then compare the collected data to acceptable levels to draw conclusions about the health of the source. The...
8th - 12th Science
Scholars build a simple filtration system to remove impurities from muddy water and rate the filtered water to a grade of clarity scale. The focus is on teamwork and problem solving. This lesson would be effective in your STEM curriculum...
3rd - 12th Technology & Engineering CCSS: Adaptable
When You Were My Age, What Was This Place Like?
Here is a lesson that includes many great ideas for investigating and discovering how our communities have physically changed over the years, and how land use changes over time may affect a community's water supply. The lesson's...
7th - 12th English Language Arts CCSS: Adaptable
To Filter or Not to Filter
Drinking clean water can be taken for granted. Explore the process and high cost of filtering water with a water pollution and filtration activity. Young scientist build a filtration system to filter polluted water, examine the economics...
5th - 12th Science CCSS: Adaptable