Matter

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Across
  1. 1. Its particles are packed tightly and vibrate on the spot
  2. 3. Its particles are spaced out and move fast in random directions
  3. 4. It takes up space and has weight
  4. 5. Its particles can flow over each other and are in a fixed volume
Down
  1. 1. The form that a substance takes - there are generally three.
  2. 2. Spreading of particles from an area of high concentration to low concentration