Particle Physics (AS Level)

This is a large topic about small things. From what's inside the atom to the other fundamental particles that can exist.

The A to Z of Isotopes

What's an isotope and what is nuclear notation? This videos explains how we represent different elements (and how we can use Lego to show this!)

Download Queen Mary University Lego Particle Physics Resources: Click Here 

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The Size, Mass and Density of the Nucleus

Find out a little more about the masses of the subatomic particles and the Atomic Mass Unit, u. You can also estimate the size of the atomic nuclei and therefore calculate their massive density.

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The Strong Nuclear Force

Why do the positive protons stick together, and also why don't the electrons get attracted into the positive nucleus? It's all due to some special glu (ons).

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The Standard Model of Physics

It's a long video! This shows the fundamental particles as we currently know them and the force carriers known as Bosons. This is incredibly useful to see the similarities between the different generations of matter.

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Baryons and Mesons 

What did the fundamental duck say? Quark Quark!


Exploring what happens when you mix together different quarks to make the two types of Hadrons - the heavier Baryons made from 3 quarks and the lighter Mesons from a quark and an antiquark. This is where it starts to get strange.

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Beta Decay and its Nuclear Equations

This is a great example of a nuclear equation that you must be familiar with: for both beta plus and beta minus decay. We can consider how a proton changes to a neutron and what happens to the quarks inside these baryons.

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Feynman Diagrams

The shape of these should be familiar to you if you wacth these videos! Created by one of the great physicists of the twentieth century, Richard Feynman,  these diagrams show what is happening with particle interactions.

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