6th grade - Word Challenge

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Across
  1. 3. Biotic materials, produced by nature.
  2. 5. Windows are made of _________.
  3. 6. ______________ materials don't absorb water.
  4. 7. Midway __________ are taken from nature and then processed by humans.
  5. 8. Cars are made of ________.
  6. 9. Bottles we use everyday can be made of ________.
Down
  1. 1. When a material is ______________, you can see through it.
  2. 2. Abiotic materials, created by humans.
  3. 4. It is a property in which a material absorbs liquids.