Units 4 and 6 vocabulary

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Across
  1. 2. convert (waste) into reusable material
  2. 4. paying attention
  3. 8. make a marked change in the form
  4. 13. a substance that flows freely
  5. 14. the ability to acquire and apply knowledge
  6. 17. bring back or re-establish
  7. 18. the degree or intensity of heat present
  8. 21. a means of solving a problem
  9. 22. the matter from which a thing can be made
  10. 23. make suitable for a new use or purpose
  11. 24. disposal of waste material by burying it
Down
  1. 1. allow or enable to escape
  2. 3. join or merge
  3. 5. a commercial business
  4. 6. able to be believed
  5. 7. mean
  6. 9. showing a strong desire to succeed
  7. 10. whole
  8. 11. bring or gather together
  9. 12. an important assignment given to a person
  10. 15. a group or system of interconnected people
  11. 16. make
  12. 19. prevent (someone) from escaping
  13. 20. state or express indirectly.
  14. 21. create or represent (something) by carving
  15. 24. a position on a scale of amount