matter

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Across
  1. 3. A substance that cannot be broken down into simpler substances by chemical means.
  2. 4. A state of matter with a definite volume but no definite shape.
  3. 5. The amount of matter in an object
  4. 6. A state of matter with no definite shape or volume
Down
  1. 1. A state of matter with a definite shape and volume.
  2. 2. The basic building blocks of matter.