Nobel Media AB
The Nobel Prize: The Nobel Prize in Physics 1935 Presentation Speech
The Nobel Physics Chairman made this speech when presenting the Prize to Chadwick. It clearly explains the importance and depth of Chadwick's work. Site by Nobel e-Museum.
Other
A World of Particles: The Neutron
A World of Particles offers a history of the discovery of the neutron, an exclusive particle in an atom.
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,...
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: 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.
Science Struck
Science Struck: The Structure of an Atom: A Labeled Diagram
Looks at the scientists who developed the model of the atom by building on previous scientists' discoveries about its structure.
Sophia Learning
Sophia: James Chadwick
This lesson explains the discovery of the neutron and Chadwick's experimental process.