Ask the students to mark each impact with an X and to describe the impact in their journals. Ask each group to identify on the poster where the species lives and to describe how electricity production affects the species. If you wish, have the groups list other species in the three habitats and describe how they would be affected by electricity production. Have each group appoint a spokesperson. Have each group take turns presenting impacts until all have been presented.
Extensions Have the class determine how the production of electricity impacts plants.
Have students populate their posters with animals. Assessment Assess the presentations to determine whether the class can identify how the production of electricity affects the water, land, and air. Have the students write in their journals at least three ways that the hydroelectric energy chain affects the food energy chain. You enter an average B.C. household. In the living room is a woman watching television and changing channels.