Science Crossword Puzzle

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Across
  1. 2. the positively charged subatomic particles found in the nucleus
  2. 4. substances that are physically combined but not chemically combined
  3. 7. a chemical property of an object which means it will burn
  4. 9. physical change in state from gas to solid
  5. 11. chemical property of objects which means it will react and form a new substance
  6. 13. physical change in state from solid to gas
  7. 16. physical change in state from liquid to a gas
  8. 18. the state of matter that has fixed volume but not fixed shape
  9. 19. the state of matter that has neither fixed shape or volume
Down
  1. 1. the smallest part of a compound
  2. 3. state of matter that has so much energy the electrons have "come loose" from the matter
  3. 5. the physical change in state from solid to liquid
  4. 6. the smallest part of an element
  5. 7. physical change in state from a gas to a liquid
  6. 8. substances that are chemically bonded together
  7. 10. a single type of atom
  8. 12. the state of matter that has both fixed shape and volume
  9. 14. the physical change in state from liquid to solid
  10. 15. anything that has mass and takes up space
  11. 17. the subatomic particles with no charge found in the nucleus of an atom