Physics is the branch of science that deals with the structure of matter and the forces that govern the behavior of objects. It is one of the oldest and broadest scientific disciplines, and its principles are used to describe everything from the motion of celestial bodies to the interactions between atoms.

Key Concepts in Physics

  • Mechanics: The study of motion and its causes.
  • Thermodynamics: The study of heat and its relation to temperature, work, and energy.
  • Electromagnetism: The study of electric and magnetic forces.
  • Quantum Mechanics: The study of the behavior of matter and energy at the smallest scales.

Fun Facts

  • The speed of light in a vacuum is approximately 299,792 kilometers per second.
  • The smallest unit of matter known is the atom, which is made up of protons, neutrons, and electrons.

Atom

Further Reading

For more in-depth information on physics, you can explore our Physics FAQ or delve into Advanced Physics Topics.