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Storyboard Text

  • Have you ever wondered where all this stuff came from?
  • Well, all this "stuff" is called matter!
  • Matter is pretty cool! Tell me more about it!
  • The study of matter and the changes it undergoes is called chemistry...
  • So what exactly is this?
  • when h2o (water) goes through a phase change,freezes, it becomes ice! its changes from a liquid to a solid.
  • so shouldn't we be on ice right now?
  • well no. the freezing point for water is 0 degrees Celsius and not all water is the same temperature.
  • well can other liquids change their form as well?
  • liquids can go through vaporization and freezing!
  • huh?
  • vaporization is the process by which a a liquid changes into a gas or vapor...
  • can these molecules go anywhere?
  • these molecules can do many things, such as evaporate. But this can only happen at the surface of the liquid.
  • What about solids?
  • Crystalline solids have a melting point in which the forces holding its crystal latices together break,
  • what happens when a gas or vapor becomes a liquid?
  • Thats called condensation!
  • can a gas or vapor become a solid without becoming a liquid?
  • Yes! Indeed! that process is called deposition!
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