Polymers and Plastics Crossword Puzzle

QUESTIONS LIST:

• blowing agent : is either a gas or a substance capable of producing a gas to manufacture a foamed plastic.
• cellulose : an insoluble substance that is the main constituent of plant cell walls and of vegetable fibers such as cotton
• plasticizers : compounds that are added in small amounts to polymers to make them softer and more pliable.
• dispersion forces : are attractions between molecules in the polymer that hold the material together
• functional groups : distinctive arrangements of atoms that impart characteristic chemical properties to the molecules that contain them
• amino acids : monomers from which our body builds proteins.
• condensation polymer : nylon is another common example of what
• monomer : small molecules used to synthesize the polymeric chain
• polyethylene : a type of polymer that is thermoplastic, meaning that it can be melted to a liquid and remolded as it returns to a solid state
• peptide bond : covalent bond that forms between –cooh group of one amino acid and the -nh2 group of the next
• macromolecules : involve thousands of atoms and their molecular masses can reach over a million
• copolymer : a polymer formed by the combination of two or more different monomers.
• plastic : a material consisting of any of a wide range of synthetic or semi-synthetic organics that are malleable and can be molded into solid objects of diverse shapes.
• polyamides : condensation polymers that contain the amide functional group
• starch : a naturally abundant nutrient carbohydrate, found chiefly in the seeds, fruits, tubers, roots, and stem of plants