Frostburg State University
General Chemistry Online: Atoms & Ions
This site from the General Chemistry Online of the Frostburg State University provides a review of the history of atomic theory, the discovery of the electron, and the discovery of the nucleus. Details on weighing atoms, ion charges,...
New York University
New York University: Law of Conservation of Energy
Site presents a straightforward presentation of Rutherford's work concerning the Law of Energy Conservation. Provides an adequate summary of early science on the nucleus, and includes much needed illustrations.
Ministerio de Educación (Spain)
Ministerio De Educacion: El Nucleo Atomico
Read about the nucleus and its properties. These pages have a lot of illustrations.
Vision Learning
Vision Learning: Nuclear Fusion
Interactive concept simulation demonstrates the nuclear fusion of deuterium and tritium inside a tokamak reactor.
Concord Consortium
Concord Consortium: What Are Nature's Building Blocks?
Activity 3 of this module investigates: How do we know what's inside an atom? From Ernest Rutherford's Gold Foil Experiment to his investigation of the Plum Pudding model, students become aware of the Nuclear Model of an Atom. Also in...
Science Struck
Science Struck: What Makes Up an Atom?
Describes the structure of an atom and the characteristics of the electrons, neutrons, and protons inside it. Includes some interesting facts about atoms.
PBS
Pbs: People & Discoveries Niels Bohr
A wonderful PBS biography of a great man. This contains many personal touches, yet does a fine job of describing Bohr's scientific work. But it's best at Bohr the man. Nice quotes, one in the middle, one at the end.
PBS
Nova: Atom Builder
Find out if you know enough about atoms to build them. The goal of the activity is to build an atom of a particular element by dragging the correct numbers of neutrons, protons and electrons into the atom.
American Chemical Society
Middle School Chemistry: Protons, Neutrons, and Electrons
Investigate why a charged object is attracted or repelled by another charged object. Explore the concept that the attraction between positive protons and negative electrons holds an atom together.
University of Cambridge
University of Cambridge: Physics: The Neutron
This site provides a great series on the neutron discovered by James Chadwick. Includes a seven-page series that covers what is inside the nucleus, the elusive neutron, beryllium radiation, Chadwick's discovery, neutrons from beryllium,...
Other
Andy Darvill's Science Site: Types of Radioactivity
Find out about radioactivity, and how it occurs inside an atom's unstable nucleus.
Chem4kids
Chem4 Kids: Atoms: Orbitals
The website provides an explanation of the electrons' position in their orbitals as they spin around the nucleus. Quantum theory is also explored by explaining that the exact location of a specific electron is a not exact but a guess.
Davidson College
Davidson College: Effective Nuclear Charge
Explains what the effective nuclear charge is and how electrons can create a shield between a nucleus and an outer electron. Presents exercises for comparing orbital sizes with effective nuclear charges. Requires Java.
American Chemical Society
Middle School Chemistry: Protons, Neutrons, and Electrons
Explore the particles that make up atoms: protons, electrons, and electrons.
Nobel Media AB
The Nobel Prize: Nobel Prize in Physics 1943 Award Ceremony Speech
At this site read Professor E. Hulthen's "account of Stern's and Rabi's works," and contributions to the study of molecular rays.
Other
University of Kansas: Quarked!: Word Search
A word search with vocabulary related to the study of subatomic science.
Thomas Jefferson National Accelerator Facility
Jefferson Lab: Coloring Book: Quarks More Than Meets the Eye
Understand and appreciate the research conducted at Jefferson Lab about the smallest particle, the quark.
Famous Scientists
Famous Scientists: Ernest Rutherford
This short biography about Ernest Rutherford explains how he became known as the father of nuclear chemistry and physics.
Physics Classroom
The Physics Classroom: Static Electricity: Neutral vs. Charged Objects
With this interactive tutorial, students explore the basic terminology and concepts of neutral and charged objects.
Thomas Jefferson National Accelerator Facility
Jefferson Lab: The Nim Number Game
Students can play a game against the computer to see who gets the most protons.
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.
Simon Fraser University
Chem1 Virtual Textbook: Electrons
Acting as part of an overview on quantum theory, this section of the site deals with questions related to electrons, such as "If the electron cannot be localized, can it be moving?" and "Why does the electron not fall into the nucleus?"
Other
Particle Adventure Dutch Version
Dutch version of the well-known "Particle Adventure" physics website that teaches students about atoms, mass, particle physics, and quantum physics. The site discusses theories related to physics and provides other links related to the...
Math Science Nucleus
I. Science Ma Te: Integrating Science, Math and Technology
This site offers a wealth of online textbook-related materials that encourage the discovery of science in the world around us. Enter the site to access material on specific topics. Each section contains reading material (complete with...