IT'S A MATERIAL WORLD!

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Across 4. Speeds up chemical reactions but does not change its form 6. Most monomers contain this element 9. Mixture of a solid dispersed in water 11. Smoke is an example of this type of colloid 12. Fragrant compounds extracted from flowers 15. Type of plast that chars when heated 16. Mixture that contains particles to small to be filtered 18. The raw material used to make nylon and polyester 20. Strongly scented chemicals are used to produce these cosmetic products 21. Two different types of liquids make this colloid 22. Synthetic material used to make glad wrap, pens, straws and many other common household items 23. Many monomers joined together

Down 1. The abrasive in toothpaste helps remove this from your teeth 2. Chemical reactions that join monomers together 3. Wool is an example of this type of fibre 5. Nozzle used to make synthetic fibres named after an organ used by spiders 7. Type of material used to make pottery and tiles 8. Type of plastic that will soften when heated 10. Fine threads of hardened filaments 13. The phenomenon of light scattering when shone through a colloid 14. Common natural plant fibre 17. Type of plastic found in milk 18. A common synthetic fibre used to make clothing 19. Small molecules that can join together to form polymers

The look has changed! Some of the puzzles that people list for the public get indexed by the search engines (like Google). Some people find those puzzles and cannot figure out how to make a puzzle of their own. So this page now has the navigation sidebar.

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