Matter

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Across
  1. 1. used to measure the volume of a liquid
  2. 3. solid to gas
  3. 7. a change of matter from one form to another without a change in chemical properties
  4. 10. positively charged particle
  5. 12. solid, liquid, gas, plasma
  6. 15. Gas to liquid
Down
  1. 2. the degree of compactness of a substance
  2. 4. An atom's central core, containing protons and neutrons
  3. 5. a change from one state (solid or liquid or gas) to another without a change in chemical composition
  4. 6. A small particle in the nucleus of the atom, with no electrical charge
  5. 8. vaporization
  6. 9. gas to solid
  7. 11. Basic unit of matter
  8. 13. The change in state from a solid to a liquid
  9. 14. negatively charged particle