Physics is the branch of science concerned with the nature and properties of matter and energy. The subject matter of physics includes mechanics, heat, light and other radiation, sound, electricity, magnetism, and the structure of atoms.
Watch & Learn
The discovery of the electron
Atoms and the periodic table
Particles
What is an Atom?
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The discovery of the electron
Learn how J.J. Thompson discovered the first sub-atomic particle, the electron. -
Atoms and the periodic table
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Particles
Introducing sub-atomic particles, protons, neutrons and electrons -
What is an Atom?
Learn what atoms are made of and how they work.