Understanding the Standard Model of Matter

Who believed that all matter was made up of individual particles called atoms?

• Aristotle

• Democritus

• John Dalton

• JJ Thompson

What did Aristotle believe matter was made up of?

• Electrons

• Protons and neutrons

• Earth, water, air, and fire

• Atoms

Who published work on the atomic theory in 1808?

• Aristotle

• JJ Thompson

• Democritus

• John Dalton

Who discovered the electron in 1897?

• John Dalton

• JJ Thompson

• Rutherford

• James Chadwick

In what year was the neutron discovered by James Chadwick?

• 1962

• 1932

• 1897

• 1919

What particle was discovered in 1937?

• Electron

• Pion

• Muon

• Kaon

Who developed the Eightfold Way model?

• Murray Gell-Mann

• James Chadwick

• JJ Thompson

• Rutherford

What are the three fundamental particles in the quark model proposed by Murray Gell-Mann?

• Photon, gluon, boson

• Up, down, strange

• Muon, pion, kaon

• Proton, neutron, electron

What is a lepton?

• A type of hadron

• A type of boson

• A type of quark

• A type of fermion

What particle is responsible for the electromagnetic force?

• Z boson

• Photon

• Gluon

• W boson