Are green crabs invading Oregon estuaries and causing harmful impacts?This lesson plan from Oregon Sea Grant includes:Introduction lesson with video resources"Introduction to Invasive Green Crabs in Oregon" activity with narrated presentation and slides, and handouts"Species on the Move" activity with article and worksheet"Green Crab Abundance" activity with student dataset handout and worksheet, and teacher guidance and answer key"Data analysis" activity for student presentations of dataField t