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U
U
d
d
Dragthecorrectquarkovertotheemptyplacetomakeaproton
Correct!Aprotonismadeupoftwoupquarksandadownquark.Anupquarkhasachargeof+2/3andadownquarkhasachargeof-1/3Theprotonwillhaveanoverallchargeof+2/3+2/3-1/3=+3/3=+1
NextParticle
Quarks
FactusestI,MMXX
U
U
d
d
Dragthecorrectquarkovertotheemptyplacetomakeaneutron.
Correct!Aneutronhasnochargeandmustbemadeoftwodownquarksandanupquark.Twodownquarks=-1/3-1/3=-2/3addtheupquarkand-2/3+2/3=0
NextParticle
Quarks
FactusestI,MMXX
ParticlesTerminologyWordMatch
Dragthewordtothecorrectterminthelist.
Meson
Baryon
Hadron
Boson
Fermion
Lepton
Aparticlebuiltfromonequarkandoneantiquark.
Aparticlemadeupofthreequarks.
Anyparticlemadeupofquarksorantiquarks
Quarksandleptonsbelongtothisfamily.
Theseparticlesdon'tbuildparticlesbutareresponsiblefortheforcessuchastheelectromagneticandstrongforces.
Thisfamilyofparticlesconsistoftheelectron,muon,tauandneutrinos.
Quarks
FactusestI,MMXX