Official websites use .gov A .gov website belongs to an official government organization in the United States. Secure .gov websites use HTTPS A lock ( ) or https:// means you've safely connected to the .gov website. Share sensitive information only on official, secure websites. National Park Service Search Exiting nps.gov Rate the Lesson Plan Student Activities Flood, Fire, and Fury! Grade Level: Middle School: Sixth Grade through Eighth Grade Subject: Social Studies This activity provides information about how some of the earliest human inhabitants in the Pacific Northwest witnessed geologic