Macbeth

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Across
  1. 2. a connector of addition
  2. 5. hard work
  3. 6. multiply by two
  4. 7. expose something to extreme heat or fire
Down
  1. 1. something a witch would use to make potions
  2. 3. something that is orange, very hot and can't exist underwater
  3. 4. what water does when it's heated
  4. 5. a synonym of "problem"