CC1: States of Matter

• What are the three states of matter?

  solid, liquid, and gas.
• what takes place at the melting point?

  melting at freezing
• what happens when something melts?


  it moves from solid to liquid

  particle arrangement becomes random and the particles start to move in and around each other
• what happens when something freezes?

  it goes from a liquid to a solid

  particle arrangement is regular and the particles only vibrate in fixed positions
• what takes place at the boiling point?

  boiling and condensation
• what happens in boiling?

  goes from liquid to gas

  particles move from close together to far apart and start to move faster in all directions