Crossword puzzle

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Across
  1. 2. Solids have a set volume, shape and density.
  2. 5. Theory of Matter- particles never stop moving
  3. 6. Particles are constantly moving around freely
Down
  1. 1. Least dense state of matter Particles are spread out very far apart.
  2. 2. of matter- the physical form matter takessolid,liquid or gas
  3. 3. Density is between solids and gases, closer to solids
  4. 4. Particles are very close together, but they can still change places.