TeachEngineering
Teach Engineering: Your River's Health
Students perform a macroinvertebrate survey to gauge the health of a local river. They collect water samples and count macroinvertebrates to learn how the health of a river's ecosystem can be determined by its river insect population.
Science Education Resource Center at Carleton College
Serc: Mn Step: Stream Study: An Investigation of an Aquatic Ecosystem
For this activity, middle schoolers visit a local stream over a 9-week period to take measurements of its chemical and physical attributes, and collect information about the life forms it supports. After exploration, they will choose...