The words Chelmsford Science Festival 2025 with illustrations representing aspects of science such as robotics, computing and the environment

Chelmsford Science Festival

21 - 28 October 2025, 09:00

Join us for a dynamic programme of events and hands-on activities spanning science and engineering, health, technology, the environment, business, law, and the arts. Whether you're a curious mind, a budding innovator, or a seasoned expert, there’s something for everyone.

This year’s Chelmsford Science Festival explores the theme ‘Our AI World – Power and Perils’, diving into the fascinating and fast-evolving world of artificial intelligence. From its transformative potential to the ethical dilemmas it poses, we’ll spark vital conversations about how AI is reshaping our lives. Get ready for an electrifying celebration of science, innovation, and imagination!

Festival events

The full programme of events will be announced in early September, but here's a sneak peek!

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Join us in making the Chelmsford Science Festival an unforgettable experience! #ChelmSciFestStay

Showing 13 events
Chelmsford Science Festival 2025 branded wording

Protecting children's play: Teaching them to stay safe online

The internet offers great opportunities—but also real risks, especially for children. In this 40-minute workshop, we’ll explore what online safety means, how parents can support children in the digital world, and how AI can help prevent harm. Learn practical ways to create safer, more inclusive online spaces, and discover how our research is shaping a better digital future.

  • 21 October 2025, 16:00 - 17:00
  • Price:  Free
More details and booking
Boy attending an event at the Chelmsford Science Festival

Family Science Day: SEN Hour (Saturday)

Please only book this session if a child in your group has Special Educational Needs. Enjoy an SEN-friendly hour of free science-related activities on Saturday 25 October. This quieter, more relaxed session takes place before the main Family Science Day.

  • 25 October 2025, 09:00 - 10:00
  • Price:  Free
More details and booking
Boy attending an event at the Chelmsford Science Festival

Family Science Day: SEN Hour (Sunday)

Please only book this session if a child in your group has Special Educational Needs. Enjoy an SEN-friendly hour of free science-related activities on Sunday 26 October. This quieter, more relaxed session takes place before the main Family Science Day.

  • 26 October 2025, 09:00 - 10:00
  • Price:  Free
More details and booking
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Our partners

Sponsored by:

Teledyne logo

In partnership with:

Chelmsford City Council and Chelmsford 4 You logos


Join us in making the Chelmsford Science Festival an unforgettable experience! #ChelmSciFestStay