Materials in daily life

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Across
  1. 2. Characteristics of something
  2. 4. Waste material
  3. 5. To make something become dirty and unhealthy
  4. 7. To use and once and throw away
  5. 10. Make smaller in quantity or amount
  6. 11. The ability of a material to return to its original shape after being stretched.
  7. 12. A mixture of gravel (broken stones), water, cement, and sand
  8. 13. All around where a person, animal or plant lives
  9. 15. A surface covered with concrete, stones or bricks
  10. 17. The ability of a material to withstand a scratch
  11. 18. Does not allow water to pass through or cannot soak up water
  12. 19. A place where waste material is thrown
Down
  1. 1. The ability to take in (soak) water
  2. 3. A substance made by putting two or more other substances together
  3. 4. To take a waste material and change into an object that can be used again
  4. 6. Cannot see through
  5. 8. The ability of a material to support a heavy weight without breaking
  6. 9. To cook using water vapour formed by boiling water
  7. 14. Be able to see through
  8. 16. Material used to wrap something