chemistry

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Across
  1. 1. we put cold thing in your drinks
  2. 3. placed in a fractured arm
  3. 4. onslaught of cooking food in a pot
  4. 6. used to extract other materials
Down
  1. 2. materials science
  2. 5. what makes the powder in the water
  3. 7. one of the hardest metals