Curated OER
Mayfly and Stonefly Comparison Chart
In this insects worksheet, learners complete a graphic organizer by comparing the body structure of the mayfly and stonefly nymphs and adults. Then students draw each one.
Curated OER
Introduction to Macroinvertebrates
Third graders investigate the world of macroinvertebrates and identify the environmental stressors that threaten their existence. Outdoors, they role-play as stressors and invertebrates, with the intolerant species doing pushups, spins,...
Curated OER
Water and Land Ecosystems
Students investigate the differences between a land and aquatic ecosystem. They use the information in order to present it in an assessment. There are target questions that can be used to guide research, lead a classroom discussion, or...
Curated OER
Water Quality and Dissolved Oxygen
Students investigate the relationship between dissolved oxygen and organic materials and aquatic organisms. This is a 3-lesson series in which students explore dissolved oxygen and then design an experiment testing the effects of changes.