Materials revision

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Across
  1. 1. a material suitable for making furniture
  2. 3. all objects either _____ or sink
  3. 4. a material suitable for toys used in bath tub
  4. 5. both glass and ceramic are ______
  5. 7. a material suitable for raincoats
  6. 9. a property of materials that allow most light to pass through
Down
  1. 2. the curtains need to be _____ to prevent people from looking through
  2. 3. a property of materials that allow bending without breaking
  3. 6. Fabrics are not waterproof because they _____ water
  4. 8. a property needed for objects that carry heavy weight