Frequency - Word Form
  99 some
  94 them
  94 two
  92 then
  90 very
  89 particles
  86 heat
  85 glass
  84 together
  84 was
  82 more
  81 little
  79 its
  79 light
  78 chemical
  78 has
  78 oxygen
  77 force
  74 do
  72 another
  68 upon
  67 make
  66 an
  66 through
  65 put
  65 up
  56 air
  56 our
  56 same
  55 different
  55 shall
  54 affinity
  54 place
  51 each
  51 show
  51 would