City University of New York
John Jay College of Criminal Justice: Atomic Structure
Resource shows the relationships bewteen terms such as atomic number, protons, and isotopes. Simple pictures of atoms help.
University of Colorado
University of Colorado: Physics 2000: Isotopes
A simplified explanation of isotopes with excellent graphic examples.
Thomas Jefferson National Accelerator Facility
Jefferson Lab: It's Elemental: Element Math Game
The interactive activity examines the Periodic Table of Elements. Learners answer questions about the number of protons, electrons, neutrons, or nucleons that an atom of an element contains.
Scholastic
Scholastic: Study Jams! Science: Matter: Atoms: Protons, Neutrons, Electrons
A video and a short quiz on the parts of an atom, the periodic table, and molecules.
Nobel Media AB
The Nobel Prize: James Chadwick Biographical
This sites provides a definitive biography of Chadwick presented by the Nobel (Prize) e-Museum.
CK-12 Foundation
Ck 12: Physical Science: Atomic Nucleus
[Free Registration/Login may be required to access all resource tools.] Discusses the nucleus of an atom and what holds it together.
CK-12 Foundation
Ck 12: Chemistry: Neutrons
[Free Registration/Login may be required to access all resource tools.] Explores the discovery and properties of the neutron and the process of nuclear fission.
CK-12 Foundation
Ck 12: Physical Science: Neutrons
[Free Registration/Login may be required to access all resource tools.] Neutrons and how they cause different isotopes of an element, and the particles in neutrons.
CK-12 Foundation
Ck 12: Physical Science: Neutrons
[Free Registration/Login may be required to access all resource tools.] Neutrons and how they cause different isotopes of an element, and the particles in neutrons.
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...
Chem4kids
Chem4 Kids: Atoms Are Building Blocks
Identify the basic structure of atoms, the building blocks for all matter.
Concord Consortium
Concord Consortium: Atom and Ion Builder
Explore how changing the numbers of protons, neutrons, and electrons affect the type of atom.
Lawrence Berkeley National Laboratory
Berkeley Lab: Beta Decay
Entry explores the process of beta decay which occurs when, in a nucleus with too many protons or too many neutrons, one of the protons or neutrons is transformed into the other.
Lawrence Berkeley National Laboratory
Berkeley Lab: The Shell Model
This entry investigates the Shell Model in which the motion of each nucleon is governed by the average attractive force of all the other nucleons.
Lawrence Berkeley National Laboratory
Berkeley Lab: Basic Nuclear Science Information
Site provides the ABC's of nuclear science including radioactivity and gamma decay to fission and comic rays.
Thomas Jefferson National Accelerator Facility
Jefferson Lab: All About Atoms
The three basic particles that make up atoms are defined and illustrated.
Other
American Institute of Physics: Where Does the Neutron Get Its Spin?
Describes two experiments on neutron spin. This is how physicists work.
Ducksters
Ducksters: Science for Kids: The Atom
Kids learn more about the science of the atom. Electrons, neutrons, and protons make up the smallest bits of matter.
Physics4kids
Physics 4 Kids: Where Traditional Physics Stops
We're about to move into the modern age of physics. In the early 1800's, scientists began examining the basis of matter, space, and time. Sometimes it gets very confusing, but the big idea is that Newton's physics describe about 90% of...
Sophia Learning
Sophia: Atomic Mass: Lesson 3
This lesson explains what is represented by the atomic mass, and how it varies from one element to the next. It is 3 of 4 in the series titled "Atomic Mass."
Sophia Learning
Sophia: Atomic Mass: Lesson 4
This lesson explains what is represented by the atomic mass, and how it varies from one element to the next. Module includes a slideshow and a quiz.
Sophia Learning
Sophia: Atomic Mass: Lesson 1
This lesson explains what is represented by the atomic mass, and how it varies from one element to the next. It is 1 of 4 in the series titled "Atomic Mass."
Sophia Learning
Sophia: Atomic Number: Lesson 3
This lesson explains what is represented by the atomic number, and how it varies from one element to the next. It is 3 of 7 in the series titled "Atomic Number."
Sophia Learning
Sophia: Atomic Number: Lesson 6
This lesson explains what is represented by the atomic number, and how it varies from one element to the next. It is 6 of 7 in the series titled "Atomic Number."