Materials Crossword

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Across
  1. 3. Found on the beach.
  2. 5. Literally everywhere in caves.
  3. 6. Used for clothes, blankets, and more!
  4. 9. Typically used for walls.
  5. 10. Most mechanical things use this.
Down
  1. 1. Be careful, you might get a sliver.
  2. 2. Mostly smooth, Used for toys.
  3. 4. Used commonly for windows.
  4. 7. Edible and hard.
  5. 8. It is usually smelted into tools.