Materials classification

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Across
  1. 2. human beings in general or a group of individuals.
  2. 3. soft material used to protect or support something.
  3. 5. to make something visible or tell people about it.
  4. 9. to be very good or noticeable.
  5. 10. something that is needed or very important.
  6. 12. gradually changing or developing over time.
  7. 14. having a high level of skill or knowledge.
  8. 15. to make something different from what it was before.
Down
  1. 1. the ability to change or adapt easily to different situations.
  2. 4. to join or put things together.
  3. 6. the edge or boundary of something, like a country.
  4. 7. the ability to make new and original ideas or things.
  5. 8. happening now or at this time.
  6. 9. without a clear or definite shape.
  7. 11. people who succeed or achieve something.
  8. 13. something perfect or the best possible.