Materials and properties

123456789101112131415161718
Across
  1. 6. — Able to take in water or other liquids.
  2. 8. — Able to withstand damage or change.
  3. 9. — Difficult to break, bend, or scratch.
  4. 11. — A light material made from chemicals, often used to make containers and toys.
  5. 13. — A strong, hard material used to make tools, machines, and objects.
  6. 14. — A hard material that comes from trees.
  7. 16. — Weighing very little.
Down
  1. 1. — Having an even, soft surface.
  2. 2. — Able to bend easily without breaking.
  3. 3. — A strong material made from animal skin.
  4. 4. — A thin material made from wood, used for writing and printing.
  5. 5. — Does not let water pass through.
  6. 7. — Easy to see through.
  7. 8. — A flexible material that can stretch and return to its original shape.
  8. 10. — A hard, clear material used to make windows, bottles, and cups.
  9. 12. — Soft, natural material that becomes hard when heated.
  10. 15. — Having an uneven or irregular surface.
  11. 17. — A soft material that comes from sheep and is used to make warm clothes.
  12. 18. — Weighing a lot.