| Front | What is a Meson? |
| Back | A particle which contains equal numbers of quarks and anti-quarks. |
| Tags | Physics::The.Standard.Model |
| Front | How are Quarks held together? |
| Back | Quarks have a colour charge. The force between Quarks is called the strong force and the carrier particle exchanged between them is the gluon. Quarks exchange gluons with one another creating a colour force field which holds the quarks together. |
| Tags | Physics::The.Standard.Model |
| Front | What are fundamental particles? |
| Back | Particles which are not made up of other particles (e.g, quarks and leptons). They have no sub-structure and cannot be broken down any smaller. |
| Tags | Physics::The.Standard.Model |