The Secret World Inside You for Educators

Your body is teeming with trillions of bacteria, viruses, and other microbes — and that's a good thing! This amazing universe makes up the human microbiome. 

The resources below will help you and your students investigate the exhibition and its themes before, during, and after your visit. 

Educator's Guide


Science & Literacy Activities

These activities, which are aligned to the Common Core State Standards (CCSS) for English Language Arts, introduce students to scientific knowledge and language related to life science. Students will readcontent-rich texts, visit The Secret World Inside You exhibition, and use what they have learned to complete a CCSS-aligned writing task. Please note: The activities below are aligned for science and literacy standards in the grade levels indicated. For other grades, choose the level closest to your students’ needs and make the appropriate adjustments.

Grade 3

Grades 4-5


Body Buddies: The Microbes that Live In and On US

Grades 6-8


Human Microbiome: Your Body Is an Ecosystem

Grades 9-12


Human Microbiome: The Role of Microbes in Human Health

More Resources



Play games, watch videos, and read about the microscopic organisms that live in and on you.

Health and Our Microbiome

Health and Our Microbiome

Humans are just a speck in a massively bacterial world. Living in and on us, microbes make up 70 to 90 percent of all cells in our bodies—our microbiome—and our health depends upon them.