Physical science is the study of the physical world around you. Learn about everything from electricity to magnetism in this section.
  • Acoustics
  • Chemistry
  • Electricity
  • Forensic Science
  • History of Physical Science
  • Magnetism
  • Math Concepts
  • Matter
  • Mechanics
  • Nuclear Science
  • More Topics


Sound waves hit the ear drum and rattle little bones. The bones push fluid onto ear hairs that decipher the sound. Learn more about how sound works on TLC's "Understanding."

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