What are quarks?
Fundamental particles
Name 3 quarks
What quarks are needed to make protons and neutrons?
2. Down
What are antiquarks?
They have the opposite properties to the quarks
How many quarks are needed to make the baryons?
3
What is the quark composition of a meson?
A quark and an anti-quark
What is quark confinement?
The idea that it is not possible to get a quark by itself
What interaction can turn a d quark to a u quark?
Weak
What is it called when a quark changes into another quark?
Changing a quark’s character
What is released in beta-plus decay?
A positron (beta-plus particle)
What happens in beta-plus decay?
A proton changes to a neutron so u quark changes to d quark