Piece of Something

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Across
  1. 2. a leftover piece
  2. 4. a group of pieces or a large chunk
  3. 6. a lump or bite-size piece of something
Down
  1. 1. a good amount of something, often in a thick liquid or semi-liquid form
  2. 2. a very small piece of something, often too small to even be seen
  3. 3. a small piece of something
  4. 5. a large piece of something, often broken off from a bigger piece