Standard Model

Question 1

Name of the two groups of particles that make up ‘Fermions’

Answer 1

Quarks and Leptons

Question 2

An electron is an example of a quark or lepton

Answer 2

Lepton

Question 3

Why can’t particle accelerators accelerate neutrons

Answer 3

They are neutral so won’t accelerate in an electric field

Question 4

State what is meant by a ‘Fundamental particle’

Answer 4

A particle that cannot be broken down any further

Question 5

Evidence for existence of neutrinos

Answer 5

Beta decay

Question 6

Hadrons are made of -

Answer 6

Quarks

Question 7

Baryons are made of

Answer 7

3 Quarks

Question 8

Mesons are made of

Answer 8

Quark and Antiquark

Question 9

Up quark (2/3 charge) + 2 Down quarks (-1/3 charge each) makes a

Answer 9

Baryon called a ‘Neutron’ with Charge = O

Question 10

Force mediating particles are called

Answer 10

Bosons

Question 11

Force mediating particle associated with the Strong force

Answer 11

Gluon

Question 12

Force mediating particle associated with the weak force

Answer 12

W and Z bosons

Question 13

Force mediating particle associated with Electromagnetic force

Answer 13

Photon

Question 14

In beta decay a proton is converted into a neutron + anti-neutrino + ‘which other particle’

Answer 14

Electron (hence ‘Beta’ decay as a Beta particle is a fast moving electron)

Question 15

Antimatter particles have the same mass but opposite

Answer 15

Charge

Question 16

If antimatter comes into contact with matter it will

Answer 16

Be destroyed giving out energy.

Question 17

This machine accelerates Hadrons and smashes them into each other, providing evidence for the existence of quarks and other fundamental particles

Answer 17

Particle Accelerator OR Synchotron or Large Hadron Collider