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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 quarks, and the …

  2. 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.

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

    Feb 18, 2026 · 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.

  4. 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 the known …

  5. What Makes a Quark? Building Blocks of All Matter

    3 days ago · The Force That Holds Quarks Together What keeps quarks locked inside protons and neutrons is the strong force, the most powerful of nature’s four fundamental forces. The strong force …

  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 can successfully …

  7. 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, and many other …