Marine Debris: Fishing for Microplastics in Your Home
Julie Masura, University of Washington-Tacoma Campus
Students engage with the issue of plastics found in the ocean environment, by exploring products in their homes which contain plastics; they also learn how to calculate the concentration of plastics found in a chosen personal care product.

Sally Salivates Seashells by the Seashore- Ocean Acidification and the Effect on Sea Shells
Rus Higley, Highline Community College, and Vanessa Hunt, Central Washington University
In this lesson we review "Acids and Bases" taught in a previous lesson and, through a scientific method, will look at the impact of an acid on different types of shells. Students will reinforce previous learning of scientific principles including acids/basis and will develop a real experiment using the scientific method.