MATTER

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Across
  1. 2. exotic state of matter that is super ionised gas (think - the sun)
  2. 6. the the movement of molecules from an area of high concentration to an area of low concentration until they are evenly spread
  3. 7. A colection of atoms making more complex substances
  4. 8. When something can be changed back to the was it was previously
Down
  1. 1. a small, useless, fuzzy animal that people look after put in cages
  2. 3. The building blocks of all matter
  3. 4. state of matter that is rigid and keeps its shape
  4. 5. A substance that is made from just one type of atom
  5. 6. the measure of how much matter is packed into a given volume