Materials and Properties crossword

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Across
  1. 2. Bright and reflects light.
  2. 3. A strong metal used to make tools and buildings.
  3. 7. A hard transparent material used for windows and bottles.
  4. 9. Does not let water pass through.
  5. 10. A very soft, smooth fabric.
  6. 12. Cloth used to make clothes.
  7. 13. Soft hair from sheep used to make clothes.
  8. 16. A yellow, valuable metal used for jewelry.
  9. 17. Made by people, not by nature.
  10. 18. Very small pieces of rock found on beaches and in deserts.
  11. 19. Can bend easily without breaking.
Down
  1. 1. You can see through it very clearly.
  2. 4. A strong flexible material used for tires and bands.
  3. 5. A light material used to make many objects.
  4. 6. A hard rectangular block used to build houses.
  5. 8. A soft natural fiber used to make clothes.
  6. 10. A shiny gray metal used for jewelry and coins.
  7. 11. Thick paper used to make cards or boxes.
  8. 14. You cannot see through it.
  9. 15. The hard material that comes from trees.
  10. 18. Not hard; nice and comfortable to touch.