Puzzle 09: Polymers and Plastics

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Across
  1. 4. – Large molecule made of repeating units.
  2. 5. – Structural protein polymer in connective tissue.
  3. 6. – Polyvinyl chloride, used in pipes.
  4. 10. – Polymer with elastic properties.
  5. 14. – Plastic used in foam cups and insulation.
  6. 15. – Heat-resistant flexible polymer.
  7. 16. – Natural polymer used as food storage.
  8. 18. – Sticky polymer substance used in plastics.
  9. 19. – Strong synthetic fiber used in textiles.
  10. 21. – Early synthetic plastic.
  11. 22. – Natural polymer made of amino acids.
  12. 25. – Polymer that breaks down naturally.
  13. 27. – Polymer that softens when heated.
  14. 28. – Polymer that hardens permanently.
  15. 29. – Elastic natural or synthetic polymer.
Down
  1. 1. – Small molecule that forms polymers.
  2. 2. – Polymer used as glue.
  3. 3. – Polymer used in packaging and containers.
  4. 7. – Genetic polymer storing information.
  5. 8. – Clear plastic often used as glass substitute.
  6. 9. – Common plastic used in bags.
  7. 11. – Natural rubber material.
  8. 12. – Natural polymer in insect shells.
  9. 13. – Polymer used for non-stick cookware coating.
  10. 17. – Fabric made from polymer fibers.
  11. 18. – Polymer involved in protein synthesis.
  12. 20. – Process that strengthens rubber.
  13. 23. – Material made from polymers and other substances.
  14. 24. – Natural polymer in plant cell walls.
  15. 26. – Protein polymer in hair and nails.