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Welcome

Welcome! The sponsors, exhibitors, and volunteers are excited to greet you at our 14th annual event, featuring nearly 100 organizations and offering interactive experiences for over 10,000 attendees! STEM—Science, Technology, Engineering, and Mathematics—ignites curiosity, discovery, and innovation. Through hands-on exploration, we encourage young minds to ask questions, tackle challenges, and envision their future. By uniting the STEM industry, educators, and the community, we are paving the way for a future where every young individual can see themselves in the world of STEM. These experiences foster lifelong learning, create pathways to thrilling careers, and enhance the economic vitality of the North Bay. Thank you for being part of this journey filled with wonder!

A young girl points to a sea star while an adult volunteer holds it and another adult looks on during a hands-on marine science activity at North Bay Science Discovery Day.
Signature for Eric Verdin
Signature fo Glenda Humiston

Eric Verdin, MD

President & CEO

Glenda Humiston, PhD

Vice President

Agriculture & Natural Resources

Logo for the Buck Institute for Research on Aging

Eli Weinzveg

CEO

Logo for the Career Technical Education Foundation of Sonoma County
Logo for the University of California Cooperative Extension
Signature for Eli Weinzveg
Signature for Amie Carter
Signature for John A. Carroll Superintendent logo.png

Amie Carter, Ed.D.

Superintendent of Schools

John A. Carroll

Superintendent of Schools

Logo for the Sonoma County Office of Education
Logo for the Marin County Office of Education
Logo fro the Santa Rosa Junior College
Signature for Angelica Garcia

Angélica Garcia, Ed.D.
Superintendent/President 

Signature for Elisabeth Wade

Elisabeth Wade, PhD

Dean, College of Science, Technology, and Business

Logo for Sonoma State University
Signature for Collette Michaud

Collette Michaud

CEO & Founder

Joanne Webster

President & CEO

Dave Moeller
President, Peripheral Vascular Health

Signature for Dave Moeller
Signatur for Joanne Webster
Logo for the Children's Musuem of Sonoma County
Logo for the North Bay Leadership Council
Logo for Medtronic

Plan your day and Frequency Asked Questions

WHO MAY ATTEND? 

All children and teenagers are invited! While most exhibitors have hands-on activities for 9 to 12 year olds, all children, teenagers, and adults are welcome to attend. 

DATE

Saturday, March 7, 2026

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LOCATION

Sonoma County Fairgrounds, 1350 Bennett Valley Road, Santa Rosa, CA 95404

ADMISSION / TICKETS

The festival is FREE; tickets are not needed.

TIME

Gates open at 10 a.m. Exhibits close at 4 p.m.

PARKING - FREE

Free to attendees of North Bay Science Discovery Day. From Highway 101, go directly east on Bennett Valley Road to the next block past the fairgrounds. Turn right into the parking lot. Park in the main lot and enter through the main gates! 

​FOOD

​Outside food IS allowed. Several food trucks will be on site with food available for purchase. Picnic tables and lawn space are available for eating lunch. Food vendor lunch lines in the past have been long, so consider bringing lunch, beverages, and snacks so that you don't have to spend a long time in a food line. 

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QUESTIONS?

Look for white lab coats! These volunteers are able to answer questions. Spanish speaking volunteers wear orange "se habla Espanol" sashes. 

North Bay Science Discovery Day is a free, welcoming event for all North Bay families. We do not collect information about anyone’s citizenship status; and we do not share information with other agencies. Our focus is on science, learning, and having fun together. See the UC Privacy Statement.

Experience Wonder in English and Spanish
Map of North Bay Science Discovery Day at the Sonoma County Fairgrounds showing entrances, parking lots, check-in locations, food trucks, and exhibit buildings including Grace Pavilion, Hall of Flowers, Garrett Hall, E. C. Kraft, and the Community Theater Lawn.

​ACCESSIBILITY AND ACCOMODATIONS

We strive to ensure the event is accessible to all persons, regardless of any physical or mental impairments or disabilities. Upon request and when feasible, we will make efforts to provide reasonable accommodations to ensure the venue and program materials are accessible. For example, we may be able to provide language interpreters, sign-language interpreters, or other accommodations. To request accommodations, please contact Steven Worker at smworker@ucanr.edu at least two weeks before the event. 

The North Bay Science Discovery Day is a free community festival bringing together 100+ organizations, supported by 60 sponsors and 160 volunteers, to spark young people’s wonder and curiosity about science, technology, engineering, and mathematics (STEM); to strengthen the San Francisco North Bay’s STEM learning ecosystem; and to connect the STEM industry, education, and public sectors to deepen and sustain young people’s STEM learning. 

Contact us by emailing info@northbayscience.org or subscribing to our newsletter

The North Bay Science Discovery Day is a public education event organized by the University of California, Agriculture and Natural Resources, 4-H Youth Development Program.  UC Non-Discrimination Statement  |   UC Privacy Statement 

Next Event: ​Sunday, May 2, 2027
10:00 a.m. to 4:00 p.m.
Sonoma County Fairgrounds
Santa Rosa, CA

4-H Youth Development Program logo with a green four-leaf clover and the text “4-H Youth Development Program, University of California Agriculture & Natural Resources.”
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