This session presents CS activities for educators of grades 1–5 and includes cross curricular connections with reading, writing, science, and computer science. After reading Carole Lindstrom’s “We Are Water Protectors,” we explore activities that allow students to identify ways they can protect the Earth’s water from harm and corruption, using the example of Mr. Trash Wheel, a trash-collecting machine in the Baltimore harbor powered by the river’s current. Students then brainstorm and write about ways technology can be used to...