chemistry puzzle

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Across
  1. 2. the capacity to do work or transfer heat
  2. 3. a definite shape
  3. 4. a process that releases energy into the surroundings
  4. 7. gas like variable
  5. 10. study of the composition structure and properties of matter and the change it undergoes
  6. 11. poor conductor of heat and electricity
  7. 13. takes the shape of the container
  8. 15. a process that absorbs energy from the surroundings
Down
  1. 1. depends on the amount of matter in the sample
  2. 5. properties of metal and nonmetal
  3. 6. no shape or volume
  4. 8. a substance made from atoms of multiple elements bonded together
  5. 9. conduct electricity and heat well
  6. 12. anything with mass that occupies space
  7. 14. depends on the type of matter, not the amount