Earth Day Activity! Looking for a fun biosphere project to do with your students? Go on a two-week journey of building and observing a living bottle biosphere as suggested by NGSS with modeling. This project includes: lesson plan, project directions, bottle biosphere project, key-word definitions, quiz and answer key, as well as a fun kick-off video to show your students. Description for the Bottle Biosphere Project:As a teacher, use this Earth Day Bottle Biosphere to display a classroom Bottle