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American Institute of Physics: Discovery of the Electron
Use this resource to read about the "Experiments by J.J. Thomson in 1897 [which] led to the discovery of a fundamental building block of matter." This exhibit is organized into several sections, including: "Mysterious Rays" and "1897...
Nobel Media AB
The Nobel Prize: J. J. Thomson Biographical
Read this detailed Nobel E-Museum biography which includes information on the scientific world of Joseph John Thomson, which gained world-wide recognition and earned Thomson the Nobel Prize in Physics.
Nobel Media AB
The Nobel Prize: J. J. Thomson Nobel Lecture: Carriers of Negative Electricity
At this site from The Nobel Foundation you can download and read Joseph John Thomson's Nobel Lecture, "Carriers of Negative Electricity" (in pdf format).
Other
Le Moyne College: Carriers of Negative Electricity
A transcript of J.J. Thomson's Nobel Lecture in Physics, December 11, 1906 on the electron.
Sophia Learning
Sophia: Jj Thomson: Lesson 2
This lesson explains JJ Thomson's experiments that led to the discovery of the electron. It is 2 of 3 in the series titled "JJ Thomson."
National High Magnetic Field Laboratory
Magnet Academy: Joseph John Thomson
Joseph John Thomson, better known as J. J. Thomson, was a British physicist who first theorized and offered experimental evidence that the atom was a divisible entity rather than the basic unit of matter, as was widely believed at the...
Famous Scientists
Famous Scientists: J. J. Thomson
Learn about the life and scientific inventions and discoveries of J. J. Thomson.
CK-12 Foundation
Ck 12: Physical Science: Thomson's Atomic Model
[Free Registration/Login may be required to access all resource tools.] Thomson's discovery of the electron and his plum pudding model of the atom.
CK-12 Foundation
Ck 12: Chemistry: Electrons
[Free Registration/Login may be required to access all resource tools.] Explains the determination of properties of the electron.
Michigan Technological University
Michigan Technological University: Sir Joseph John Thomson
A biography of J.J. Thomson's life and accomplishments.
CK-12 Foundation
Ck 12: Chemistry: Thomson's Atomic Model
[Free Registration/Login may be required to access all resource tools.] Explains the idea of a scientific model and the development of Thomson's plum pudding model of the atom.
Wolfram Research
Wolfram Science World: Sir Joseph John Thomson (1856 1940)
This site provides a brief biography of the english physicist J.J. Thomson.
Other
Sir Joseph John Thomson
Have you ever wondered who discovered the electron? The answer is Nobel Prize winning physicist Sir Joseph John Thomson.
Sophia Learning
Sophia: Jj Thomson: Lesson 1
This lesson explains JJ Thomson's experiments that led to the discovery of the electron. It is 1 of 3 in the series titled "JJ Thomson."
Science Struck
Science Struck: Plum Pudding Model
Describes J.J. Thomson's theory of atomic structure, called the 'Plum Pudding Model,' and how it was disproved by Ernest Rutherford.