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States of matter

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    States of matter and Phase changes
  •   Study   Slideshow
  • solid --> liquid
    Melting
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  • Name 3 states of matter.
    Solid, liquid, gas
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  • Which state of matter is the heaviest?
    Solid (except water)
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  • liquid --> solid
    freezing
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  • Water happens to molecules when they get hotter?
    They move faster
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  • What happens to molecules when they get colder?
    They move slower
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  • The measure of how hot or cold something is is called...
    temperature
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  • Give an example of a solid in this room right now.
    (pending review by Mr. Anderson)
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  • What type of phase change occurs when you heat up a liquid?
    evaporation
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  • gas --> liquid
    condensation
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  • solid --> gas (like dry ice)
    sublimation
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  • The lakes and oceans on Saturn's moon, Titan, are filled not with water, but with a substance that is usually a gas here on earth. Name the substance.
    methane
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  • The smallest possible unit of matter is called...
    an atom
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  • Two or more atoms joined together is called...
    a molecule
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  • There are 3 atoms in a water molecule. What are they?
    Two hydrogen, one oxygen
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