Light!

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Across
  1. 2. This Topic
  2. 4. Light Travels In A...
  3. 5. Our Source Of Light All Around The World
  4. 6. You Use It To Toast Marsh mellows
  5. 7. Used At Most Holidays And Have Tiny Sparks On Them
Down
  1. 1. You Put It In A Lamp
  2. 3. Used At Halloween For Fun