Lesson Plans

The first five lessons are designed for 45-minute middle or high school biology or environmental science classes. The final lesson, Ecology Disrupted, is designed for a 90-minute session.

Salting Winter Roads

Lesson Plan

Salting Winter Roads

Introduce students to the use of road salt to keep roads clear of snow and ice, potential problems with road salt runoff,  and to Dr. Sujay Kaushal, the scientist who conducted the study on salt in the Baltimore water supply.

Salt And Living Things

Lesson Plan

Salt And Living Things

A close look at how added salt affects living things, at the cellular, organismal and ecosystem level.

Ecology Disrupted

Lesson Plan

Ecology Disrupted

Use Science Bulletins media to explore other examples of disrupted abiotic and biotic factors.