Georgia State University
Georgia State University: Hyper Physics: Leptons
This site has a definition and properties of Leptons, the "Basic building blocks of matter." There are links to table of properties and more information.
University of St. Andrews (UK)
University of St. Andrews: Search for Physics Beyond the Standard Model
This webpage is a picture site showing how different leptons interact.
Lawrence Berkeley National Laboratory
Berkeley Lab: Particle Adventure: Matter and Antimatter
The beginning of an informative tutorial on antimatter, covering quarks, hadrons, baryons, mesons, leptons, and neutrinos.
Lawrence Berkeley National Laboratory
Berkeley Lab: Sub Nucleonic Structure and the Modern Picture of a Nucleus
A simple explanation of the structures theoretically found within protons and neutrons. The resource consists of pictures and links to additional resources.
Georgia State University
Georgia State University: Hyper Physics: Hadrons
This site defines hadrons and their characteristics. There are links to explanations and more detailed information about interactions and composition.
Lawrence Berkeley National Laboratory
Berkeley Lab: The Particle Adventure: Leptons
This particle physics tutorial discusses the different types of leptons: the electron, tau lepton, muon lepton, and neutrinos.
Lawrence Berkeley National Laboratory
Berkeley Lab: Particle Adventure: The Standard Model
An introduction to the Standard Model, a theory which attempts to explain atomic structure using leptons, quarks, and force carrier particles.
CK-12 Foundation
Ck 12: Physical Science: Fundamental Particles
[Free Registration/Login may be required to access all resource tools.] Investigates fundamental particles and their discovery, and how they relate to fundamental forces.
Science Struck
Science Struck: What Is the Higgs Boson Particle?
A detailed explanation of the Higgs Boson particle and the science of particle physics. Discusses the history of the search for this particle, the ongoing research with the Large Hadron Collider at CERN in Europe, and what is known so...
CK-12 Foundation
Ck 12: Physics Simulation: Subatomic Particle Zoo
[Free Registration/Login Required] Learn about the most basic particles of matter, including quarks and leptons, and the four fundamental interactions using this interactive simulation. A PDF worksheet is also available.
Wikimedia
Wikipedia: Quark
This site from the encyclopedia Wikipedia provides an in-depth description of quarks describes different characteristics about them. Mentions how they are different from leptons, the theory of quantum chromodynamics, and the process of...
Ducksters
Ducksters: Physics for Kids: Elementary Particles Quarks, Bosons, Leptons
Kids learn about elementary particles in the science of physics such as quarks, bosons, fermions, leptons, photons, and gluons.
Wikimedia
Wikipedia: Electron
At this Wikipedia site, properties and characteristics of electrons are discussed in this brief overview of them.