About 65,700 results
Open links in new tab
  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

    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.

  4. 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 …

  5. 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 …

  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. Quarks Are the Building Blocks of All Matter - HowStuffWorks

    Jun 9, 2023 · Protons and neutrons, the particles that form the nuclei of atoms, are themselves made up of even smaller particles known as quarks.

  8. Quark - Definition, Meaning, & Flavors - Science Facts

    Feb 17, 2023 · Quarks are a fundamental building block (size ~10 −18 m) of matter found in an atom. The other one is leptons. They give an account of all mesons and baryons. The most familiar …

  9. 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. Leptons, quarks, and …

  10. Quark | Basics, Properties & Significance

    May 29, 2024 · Quarks are the fundamental building blocks of matter, one of the basic constituents of subatomic particles that, together with leptons, form the basis of the material universe.