Steve Hansen tells the students the geological history of Lake Charlevoix.

The students prepare to collect a water sample to test its pH.

Sam Williamson shows how to interpret a pH reading from a Lake Charlevoix water sample.

The pH of Lake Charlevoix looks good!

Bill Henne answers the question "what is a watershed?"

Audrey Etienne talks about groundwater and its movement through the soil.

Students "pollute" their watershed.

More "pollution"? Isn't there enough?

A "rainstorm" washes the "pollutants" from the landscape into adjacent water bodies.

Susie Dickow discusses the problems of aquatic invasive species in Lake Charlevoix.

Valerie Olinik-Damstra demonstrates how to use an Ekman grab to collect sediments from the bottom of the lake.

Students discuss how land use affects water quality.

It's a great day to take a secchi disk reading and measure water clarity!

Steve Hansen shows how Lake Charlevoix was created.

The U.S. Coast Guard explains the importance of water safety.

What's that green stuff? Is that groundwater contaminated?

The sea lamprey is an example of an aquatic invasive species.

It's a great day to experience Lake Charlevoix!

The students learn that no matter where you are, you're in a watershed.