Across
- 3. what plastic is made from
- 8. high-impact polystyrene
- 9. the alphabet in the language of molecules
- 11. affects polymers properties
- 13. high-density polyethylene
- 14. smaller molecules that make up a polymer
- 15. basic building block for all matter
- 17. is a thermoforming plastic that is a kid's toy
- 18. biodegradable plastics that are made from starch and corn
- 19. groups branch off from the long chain
- 20. large molecules formed by monomers
Down
- 1. smallest unit of a substance
- 2. used for drink bottles
- 4. able to trace this type of polymer from beginning to end
- 5. is a thermoforming plastic that is resistant to weathering and used in guttering
- 6. one of the particles that make up an atom
- 7. cannot be recycled or reformed
- 10. links one polymer chain to another, either branched or linear
- 12. recyclable, easily melted and molded
- 16. is a thermosetting plastic used on lakes and rivers