In 1932, this scientist discovered a new atomic particle which he called the "neutron."

As of 1932, scientists believed there were 3 subatomic particles...

The first "antiparticle" was discovered in 1932 and was the...

In the 1940s, this fundamental tool of physicists was improved and made more powerful

In 1964, the discovery of the "omega" particle confirmed this subatomic model of physics

In 2012, this was discovered at CERN and added proof to the standard model

Protons and neutrons are types of....

Hadrons are made up of smaller particles known as

Quarks group together in groups of...

When quarks come together in a group of 2 - 3, they form these...

As early as 1897, this scientist predicted that there were particles smaller than the atom - subatomic particles

This scientist suggested that light was not a wave, but tiny massless particles

Tiny, massless particles of light...

This scientist concluded that an atom's nucleus must be small and dense, with electrons in orbit around the nucleus

In 1923, these subatomic particles were discovered

This scientist created an orginizational chart of the fundamental particles and force carriers called the "standard model"

The largest particle accelerator, the LHC, is located in...

The LHC was built primarily to help discover whether or not THESE exist...

A Linear Accelerator was built in 1962 and is the longest linear accelerator in the world, located at this university

It was HERE that it was first demonstrated that protons are composed of quarks

As particle accelerators and other technology improved in the 1940s and 1950s, more tan 100 strongly interacting particles were detected, earning these the nickname...

Subatomic particles began to be classified by...

ALL subatomic particles are affected by this fundamental force...

This fundamental force only acts on particles that contain an electric charge

Hadrons (protons and neutrons) are affected by

Electrons and neutrinos are a type of

This scientist created an orginizational chart of the chemical elements known as the Periodic Table

This scientist proposed the existence of new subatomic particle that had never before been seen, which he called the quark

In 1964, this scientist at CalTech suggested that hadrons were made up of smaller particles called aces

Scientists did not immediately accept the theory of particles that make up hadrons because...

This particle, made up of 3 quarks, was first detected in Brookhaven National Lab in New York

In Gell-Mann's standard model, particles are first divided into 2 categories...

This particle is the "building block" of all matter

This particle is the "force carrier" of all matter

Fermions are divided into two families...

Subatomic particles made up of three quarks, and are known as baryons

These subatomic particles made of a quark and antiquark are called mesons

Which of the following is NOT one of the six quark "flavors"

The defining characteristic of a quark is something called...

This particle doe NOT carry "color change" and are NOT affected by the strong nuclear force

The defining characteristic of a quark is something called...

Quarks' "color change" allows them to interact via this fundamental force

Which of the following is NOT a lepton

Neutrinos have no electrical charge and only interact via THIS fundamental force, making them extremely hard to detect

These are the force-carrying particles

Each force has its own gauge boson. The Strong Force is mediated by...

Each force has its own gauge boson. The Electmagnetic Force is mediated by...

Gell-Mann was a child prodigy and taugt himself THIS by the age of 7!

Gell-Mann worked with this scientist at CalTech