The Science of Everything Podcast

Episode 9: Matter and Molecules

Nov 21, 2010
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INSIGHT

What Is Matter?

  • Matter is anything that occupies space and has mass, excluding things like light or fields.
  • Atoms bond into molecules through electromagnetic attraction involving electrons and nuclei.
INSIGHT

States of Matter Explained

  • Solids have atoms packed tightly with vibrations but no relative motion.
  • Liquids allow atoms to slide past each other, while gases have widely spaced atoms free to move.
INSIGHT

Glass Is Not a Liquid

  • Glass is an amorphous solid, not a slowly flowing liquid as myth suggests.
  • Old church window panes are thicker at the bottom due to medieval manufacturing, not flow.
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