Unit 10 week 2

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Across
  1. 4. a system of parts working together in a machine
  2. 9. person who works in chemistry
  3. 10. operated by, or using machines
  4. 11. the overall physical condition of something
  5. 13. very small parts of matter
  6. 14. to change from a gas into a liquid
  7. 16. can't be separated
  8. 17. a special quality or characteristic of something
Down
  1. 1. reusing something
  2. 2. substances that change when they are combined with another substance in a chemical reaction
  3. 3. to mix with a liquid and become part of the liquid
  4. 5. the form or outline of an object
  5. 6. helps people move and function better when injured
  6. 7. the feel, appearance, or consistency of a substance
  7. 8. a person who repairs machines
  8. 12. the total amount of space a person or thing occupies
  9. 15. a liquid in which something has been dissolved