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  1. Quark - Wikipedia

    Elementary fermions are grouped into three generations, each comprising two leptons and two quarks. The first generation includes up and down quarks, the second strange and charm …

  2. Quark | Definition, Flavors, & Colors | Britannica

    Dec 5, 2025 · quark, any member of a group of elementary subatomic particles that interact by means of the strong force and are believed to be among the fundamental constituents of matter.

  3. DOE Explains...Quarks and Gluons - Department of Energy

    There are six different kinds of quarks with a wide range of masses. They are named up, down, charm, strange, top, and bottom. Quarks are the only elementary particles to experience all …

  4. Quarks: What are they? | Space

    Nov 1, 2022 · Quarks are elementary particles that are the building blocks of all visible matter in the universe. Explore them in more detail here.

  5. What Are Quarks? Building Blocks of Everything

    May 24, 2025 · Quarks are tiny, mysterious particles that, together with gluons and leptons, compose all matter in the universe. They are the essential constituents of protons, neutrons, …

  6. Quarks - HyperPhysics

    Quarks and Leptons are the building blocks which build up matter, i.e., they are seen as the "elementary particles". In the present standard model, there are six "flavors" of quarks. They …

  7. Quarks: Is That All There Is? | Physics - Lumen Learning

    Quarks are the second group of fundamental particles (leptons are the first). The third and perhaps final group of fundamental particles is the carrier particles for the four basic forces. …

  8. Quarks in ‘exotic’ quartets prefer to stick together - Nature

    Dec 3, 2025 · Protons and neutrons, which are the building blocks of atomic nuclei, are made up of triplets of fundamental particles called quarks. Composite particles formed from quarks are …

  9. What is a quark? – Stephen Sekula – Physicist - SMU

    Quarks would combine to make things like protons and neutrons, the constituents of all atomic nuclei. They would have electric charges that are a fraction of that carried by the electron or …

  10. Subatomic particle - Quarks, Antiquarks, Gluons | Britannica

    Dec 12, 2025 · Subatomic particle - Quarks, Antiquarks, Gluons: The baryons and mesons are complex subatomic particles built from more-elementary objects, the quarks. Six types of …