Crash, Bang, Squelch 2023!

Crash, Bang, Squelch!

[This page is an archive from 2023]

Crash, Bang, Squelch! is the biggest single event of the CHaOS year, taking place as part of the Cambridge Science Festival. For Crash, Bang, Squelch! CHaOS has around 30 experiments in one place, for more than 2000 visitors to see during the day. In 2023, Crash, Bang, Squelch! is taking place on Saturday 18th March 2023, and is open to the public from 10am-5pm. Like all CHaOS public events, Crash, Bang, Squelch! is absolutely free.

Chemical Chaos: a demonstrator and a young visitor with their hands in a big container of cornflour

You can pre-book tickets to all Crash, Bang, Squelch! events, using the links below. You can also turn up on the day to try our hands-on experiments or come along to our fantastic talks.


AMAZING TALKS: click here


Please scroll down to find out more about all our events

Looking at light

Hands on Experiments

Come along to Crash, Bang, Squelch! to see lots of exciting hands-on science experiments! You can have go yourself and find out lots about why things work they way they do!

Our experiments will show you why hot air balloons stay up, what happens when you split water in half, how your lungs work, and much, much more…


CHaOS student volunteers are running a series of talks filled with exciting demonstrations. You will find even more crashes, bangs, and squelches, and discover all sorts of weird and wonderful science.
Pre-book tickets online by clicking here

10:10-10:40How to Find a Planet - with Xander
11:10-11:40Mixing Bowl Magic: The Science of Baking - with Elizabeth
12:10-12:40 When Your Salad Finds You Tasty - with Isaac
13:10-13:40 Humans VS Mosquitoes: How we Stop Malaria from Spreading - with Amelia
14:10-14:40 What Are the Chances? The World of Probability - with Will
15:10-15:40You Rock My World: How the History of our Planet is Set in Stone - with Peter
16:10-16:40 How Your Brain and Eyes can Lie to You - with Richard
Children in a lecture hall listening to a talk at CBS
Getting stuck into robotics!

Robotics Workshops

CHaOS will also be running several workshops on robotics, with lots of hands-on design and programming. Absolutely no experience is required, we’ll teach you all the basics and you can start making our robots do all sorts of amazing things in no time at all. We strongly recommend you pre-book tickets for robotics workshops, as these usually run out before the day of the event: click here for tickets.

A map of the New Museums Site showing the location of the Zoology building

Please note that Crash, Bang, Squelch! is usually very popular – in 2023 we will be offering pre-booking for timed tickets

If you’re a student in Cambridge and are interested in helping out with Crash, Bang, Squelch!, then you might like to visit our Demonstrator information page.

Now that the building work has finished, all of our activities are fully accessible. A map of the location is shown to the left.