Physics & Chemistry

Subatomic Particles and the Standard Model of Physics Trivia Word Search

67 original clues · new puzzle every time you play

Test your knowledge of Subatomic Particles and the Standard Model of Physics with a free trivia word search from thewordfind.com. Read each clue, work out the answer, then find it hidden in the letter grid — every puzzle is freshly generated, so no two plays are ever quite the same. Don't know an answer? Tap the hint button in-game to reveal the first letter, or just scan the grid — every answer is hiding in there somewhere. Between the clues and the full answer key below, this topic doubles as a quick study guide — good for a trivia night, a classroom quiz, or just picking up something new about Subatomic Particles and the Standard Model of Physics along the way.

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A few sample clues

Which measure of a particle's tendency to decay describes the time needed for half a sample to transform?

_ _ _ _ _ _ _ _

Which term names atoms of the same element that share a proton count but differ in their number of neutrons?

_ _ _ _ _ _ _

Which nearly massless, electrically neutral lepton was proposed in 1930 to explain missing energy in beta decay?

_ _ _ _ _ _ _ _

Which quark flavor gets its playful name from the unexpectedly long lifetime of particles that contain it?

_ _ _ _ _ _ _

Which of the four fundamental forces causes radioactive beta decay and has the shortest effective range?

_ _ _ _

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All 67 questions in this topic, with answers — use it to study, or just browse. Every actual play of the puzzle only pulls a random handful of these into one game, so knowing them all here won't spoil which ones show up or where they're hidden in the grid. Play it here.

Which Pakistani physicist shared the 1979 Nobel Prize in Physics for unifying the weak and electromagnetic forces?

SALAM

Which nuclear process powers the Sun by combining light nuclei, such as hydrogen, into heavier ones?

FUSION

Which class of matter particles, which includes quarks and leptons, is named for an Italian-American physicist?

FERMION

Which physicist proposed the neutrino's existence in 1930, doubting it would ever actually be detected?

PAULI

Which type of radioactive decay releases high-energy electromagnetic radiation, more energetic than X-rays?

GAMMA

Which antimatter counterpart of the electron carries a positive charge and was predicted by a 1928 equation?

POSITRON

Which of the two general-purpose detector experiments at the Large Hadron Collider shares its name with a mapmaking Titan?

ATLAS

Which Fermilab accelerator, retired in 2011, found the top quark in 1995 by colliding protons and antiprotons?

TEVATRON

Which lightest meson was central to a 1935 theory explaining the strong nuclear force?

PION

Which term describes the property, analogous to electric charge, that governs how strongly a quark feels the strong force?

COLOR

Which fundamental force binds quarks together inside protons and neutrons via constant gluon exchange?

STRONG

Which nuclear process splits a heavy atomic nucleus into smaller fragments, releasing energy inside a reactor?

FISSION

Which three-letter detector experiment at CERN, alongside its counterpart, co-discovered the Higgs boson in 2012?

CMS

Which electrically neutral nuclear particle was discovered by James Chadwick in 1932?

NEUTRON

Which physicist's 1932 discovery of a positively charged mirror of the electron confirmed a 1928 prediction of antimatter?

ANDERSON

Which quark flavor's 1974 confirmation, via the J/psi particle, shares its everyday name with a lucky trinket?

CHARM

Which three-letter abbreviation names the world's largest and most powerful particle collider, near Geneva?

LHC

Which building block of matter comes in six 'flavors' and combines in threes to form protons and neutrons?

QUARK

Which scalar particle, discovered at CERN in 2012, explains why other particles have mass?

HIGGS

Which Dutch physicist showed in 1971 that Yang-Mills gauge theories could be mathematically renormalized?

HOOFT

Which physicist shared the 1990 Nobel Prize for deep inelastic scattering experiments giving the first evidence for quarks?

FRIEDMAN

Which composite particle, built from three quarks, includes both the proton and the neutron?

BARYON

Which European laboratory straddling the French-Swiss border operates the Large Hadron Collider?

CERN

Which physicist joined Friedman and Taylor in sharing the 1990 Nobel Prize for early experimental evidence of quarks?

KENDALL

Which Dutch physicist shared the 1984 Nobel Prize for developing the technique that revealed the W and Z bosons?

MEER

Which class of force-carrying particles, which includes the photon and gluon, has whole-number spin?

BOSON

Which physicist independently proposed the quark model in 1964 alongside Murray Gell-Mann?

ZWEIG

Which Italian physicist shared the 1984 Nobel Prize for the experimental discovery of the W and Z bosons?

RUBBIA

Which composite particle is built from one quark and one antiquark, such as the pion?

MESON

Which physicist shared the 1976 Nobel Prize for co-discovering the J/psi particle at Brookhaven?

TING

Which principle states that physics is unchanged when charge, parity, and time are all reversed together?

THEOREM

Which American national laboratory near Chicago discovered both the bottom and the top quark?

FERMILAB

Which type of radioactive decay releases a particle identical to a helium nucleus, two protons and two neutrons bound together?

ALPHA

Which California laboratory, home to a two-mile linear accelerator, discovered the tau lepton?

SLAC

Which type of radioactive decay releases a high-speed electron or positron from an unstable nucleus?

BETA

Which composite particle, discovered in 1947, carries a property physicists nicknamed 'strangeness'?

KAON

Which massless particle, of which there are eight color varieties, carries the strong force between quarks?

GLUON

Which physicist's 1928 equation predicted antimatter years before it was first observed?

DIRAC

Which physicist, working with Reines, first experimentally detected the neutrino in 1956?

COWAN

Which hypothetical, never-yet-observed particle is predicted to carry the force of gravity?

GRAVITON

Which physicist shared the 1995 Nobel Prize in Physics for the 1956 detection of the neutrino?

REINES

Which British physicist's 1897 cathode-ray experiments led directly to the discovery of the electron?

THOMSON

Which fundamental force, roughly 10 to the 38th power weaker than the strong force, binds planets and galaxies together?

GRAVITY

Which physicist discovered the tau lepton at the SLAC laboratory in 1976?

PERL

Which heavier cousin of the electron, about 200 times its mass, was found in cosmic ray studies in 1936?

MUON

Which massless force-carrying particle has no electric charge and mediates electromagnetism?

PHOTON

Which physicist co-authored the 1954 Yang-_ _ _ _ _ gauge theory paper, foundational to the Standard Model?

MILLS

Which third-generation charged lepton, roughly 3,500 times heavier than the electron, was found at SLAC in 1976?

TAU

Which term describes quarks' surprising tendency to interact weakly when squeezed extremely close together?

FREEDOM

Which positively charged particle sits in an atom's nucleus and was identified around 1917?

PROTON

Which quantum property, measured in units of Planck's constant, distinguishes bosons from fermions?

SPIN

Which negatively charged lepton orbits the atomic nucleus and was identified by J. J. Thomson in 1897?

ELECTRON

Which physicist completed the trio with Friedman and Kendall who shared the 1990 quark-evidence Nobel Prize?

TAYLOR

Which general term describes an unstable particle or nucleus transforming into other particles over time?

DECAY

Which physicist co-authored a landmark 1954 gauge-theory paper with Robert Mills, foundational to the Standard Model?

YANG

Which term names the empty backdrop of space that, in quantum field theory, still seethes with fleeting virtual particles?

VACUUM

Which physicist proposed in 1964 the hidden quark property later called color, developed by Han and Nambu?

GREENBERG

Which physicist led the Fermilab team that discovered the bottom quark in 1977?

LEDERMAN

Which physicist shared the 1979 Nobel Prize in Physics with Salam and Weinberg for unifying two fundamental forces?

GLASHOW

Which Belgian physicist shared the 2013 Nobel Prize with Peter Higgs for the mass-giving mechanism's theory?

ENGLERT

Which particle family, which includes the electron and its neutrino, never feels the strong nuclear force?

LEPTON

Which American physicist shared the 1979 Nobel Prize in Physics with Glashow and Salam for electroweak theory?

WEINBERG
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