4-H Youth Development Program
4-H Youth Development Program
4-H Youth Development Program
University of California
4-H Youth Development Program

Science, Technology, Engineering, and Mathematics (STEM)

STEM in 4-H

The Positive Development of Youth: Comprehensive Findings from the 4-H Study of Positive Youth Development, 2013.
4-H STEM programs combine the strengths of experiential, hands-on education and inquiry-based science learning with a positive youth development framework that addresses the developmental and educational needs of young people.

By offering engaging science programming in out-of-school time settings, youth are provided with a variety of free choice and hands-on learning opportunities that promote excitement in learning about natural phenomena. 

STEM Project Areas


Animal Science including livestock, equine, poultry, dogs, rabbit



Biological Science including embryology, entomology, marine biology, and veterinary science 

Nutrition, Consumer, and Family Science including textiles, fiber science, and food science

Physical Science including energy management, sustainability, and geology

Plant Science and Gardening including agriculture and gardening

Environmental Education including astronomy, climatology, forestry, outdoor adventure, and water education

Engineering and Technology including website design, computers, gis/gps, and video production, aerospace, electricity, electronics, robotics, engines, and woodworking


Shooting Sports including safety and handling of firearms and archery equipment, calculating trajectory and distance 



 "In 4-H we try to encourage natural curiosity and help children and youth to learn about science and get involved in their communities with the support of caring and dedicated adult volunteers." Read more.

"En 4-H tratamos de fomentar esa curiosidad natural y ayudamos a niños y jóvenes a aprender sobre ciencia y a involucrarse en sus comunidades con el apoyo de adultos voluntarios comprensivos y dedicados” Lee mas.

2019 4-H National Youth Science Day

STEM Mailing List

Do you want to learn more about STEM?  

This is a great way to stay informed on upcoming STEM events in California and opportunities for 4-H’ers and volunteers.

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STEM Stories

My National Experience

2018 Western National Roundup California delegates

What is it like to participate on a national competition team? Find out through the experiences of 4-H'ers Thomas Aquino, Cory Carlson, and Emily Cullins - delegates who represented California 4-H at the Western National Roundup in Denver, Colorado in...

California has won the most national Avian Bowl titles of any state

2017 California 4-H Avian Bowl team

Thanks to the guidance and support of committed adult 4-H volunteers, the California 4-H teams have placed first in the National Avian Bowl 19 times, and second 7 times since 1989. See the full list of results. This year, besides California, there...

Growing the Maker Movement in California 4-H

Fiona (teen leader) flying a drone

  From November 1 to November 5, Nikitha Fernandes, Santiago Piva, Fiona Reyes, and Curtis Ullerich attended the National Youth Maker Summit in Maryland. We attended this conference to reconnect with 4-H'ers who we met at the Computer Science...

CA 4-H Horticulture Team Places 1st, 2nd & 3rd in National Competition

Flower arranging workshop. Pictured: Ryan and his brother Nathan

Are you interested in plants? Or perhaps you'd simply like to learn a bit more about horticulture? Then you should consider trying out for the California 4-H Horticulture Team! Every year, there's a horticulture contest at State Field Day at UC Davis....


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