Matter Crossword puzzle

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Across
  1. 2. Two atoms binded together
  2. 4. Super heated matter
  3. 6. The smallest unit of life
  4. 7. A usually reversible change
  5. 10. A group of atoms bonded together
  6. 12. physical
Down
  1. 1. firm and stable in shape not liquid
  2. 2. The elements, electrons, and bonds that are present give the matter potential
  3. 3. A item that can't be easily broken into smaller pieces
  4. 4. A substance that has a fixed chemical composition throughout
  5. 5. Something that has no define volume
  6. 8. The change of something into another object
  7. 9. A substance formed by mixing two or more substances together
  8. 10. Something that takes up space
  9. 11. A substance that flows freely in volume The amount of space that a substance or object occupies