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  • Keep their shape unless they are broken
  • Do not flow like a liquid, or expand to fill the entire volume available like a gas
  • Cannot be compressed (keep the same volume)


  • Do not keep their shape
  • They flow
  • Cannot be compressed (keeps the same volume)
  • Often expand when heated and contract when cooled
  • Two liquids mix together and diffuse into each other to make a new type of liquid
  • Can turn into a gas or a solid, depending upon the forces exerted on it.
  • Heated high enough, they will vaporize and turn into a gas, and cooled enough will solidify.
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