Materials Science Crossword

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Across
  1. 1. Tiny plastic pieces smaller than 5 millimeters that can spread through water and enter the food chain
  2. 3. Strong synthetic material used to make vehicle seatbelts, jackets, and athletic gear
  3. 6. Describes a material that the body accepts as friendly without rejecting or attacking it
  4. 10. A material created by mixing two or more materials together to make a stronger, lighter part
  5. 13. Substances like synthetic oil that help moving machine parts rub less and reduce friction
  6. 16. Substances added to plastic to alter properties such as color, softness, or fire resistance
  7. 17. Responsible management of natural resources to minimize waste and care for creation
Down
  1. 2. A non-biodegradable synthetic fiber made from crude oil that sheds microfibers when washed
  2. 4. Special human-made materials built to work safely on or inside the human body
  3. 5. Process of sorting, washing, shredding, and remelting plastic items into new products
  4. 7. Quick-growing plant material that can replace plastic in some everyday products
  5. 8. Long molecular chains created in chemical plants by linking monomer building blocks
  6. 9. Plant-based natural material used to make sustainable wraps that dissolve in water
  7. 11. A starting natural substance that undergoes chemical change to form a new material
  8. 12. A material property where a substance stretches and then returns to its original shape
  9. 14. A heat-resistant synthetic fiber used to make fire-resistant gear for firefighters
  10. 15. High-strength synthetic fiber used in protective armor and safety gear
  11. 18. Dark liquid extracted underground that serves as the raw precursor for most plastics