Quarks

What are quarks?

• Fundamental particles that make up hadrons like protons and neutrons

• Subatomic particles that are made up of smaller particles

• Particles that are responsible for holding the nucleus of an atom together

• Particles that are found in the center of the Earth

Answer explanation

Quarks are fundamental particles that make up hadrons like protons and neutrons.

How many different types of quarks are there?

• 2

• 4

• 6

• 8

What are the six types of quarks called?

• Up, down, strange, charm, bottom, top

• Red, green, blue, anti-red, anti-green, anti-blue

• Proton, neutron, electron, positron, muon, tauon

• Alpha, beta, gamma, delta, epsilon, zeta

Which two quarks make up a proton?

• Up, down

• Up, up

• Down, down

• Strange, charm

What is the electric charge of an up quark?

• +1/3

• -1/3

• +2/3

• -2/3

What is the electric charge of a down quark?

• +1/3

• -1/3

• +2/3

• -2/3

What is the color charge of a quark?

• Red, green, or blue

• ositive, negative, or neutral

• Up, down, or strange

• Light, medium, or dark

What is the force that holds quarks together in hadrons?

• Electromagnetic force

• Weak nuclear force

• Strong nuclear force

• Gravitational force