Matter

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Across
  1. 2. 2 or more kinds of substance that are physically combined
  2. 3. Consists of 2 or more elements bound together
  3. 7. components are uniform they can not be observed
  4. 8. Components that are not uniform, can be observed separately
Down
  1. 1. Consist of 1 kind of atom
  2. 4. Anything that takes up space
  3. 5. Control center if the atom
  4. 6. Composed of one kind of element or compound