cool-stuff

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Across
  1. 2. (of a liquid) be turned into ice or another solid as a result of extreme cold
  2. 4. relating to or resulting from motion
  3. 5. energy that comes from a source and travels through space at the speed of light
  4. 7. of or denoting a scale of temperature on which water freezes at 0° and boils at 100°
  5. 10. a form of energy resulting from the existence of charged particles
  6. 13. the basic unit of a chemical element
  7. 14. having or showing the capacity to become or develop into something in the future
  8. 15. of or at a fairly or comfortably high temperature
  9. 16. scale in which the freezing point of water is 32°F and the boiling point of water 212°F
Down
  1. 1. relating to chemistry, or the interactions of substances as studied in chemistry
  2. 3. a state of physical balance
  3. 6. of or situated on the inside
  4. 8. a tendency to do nothing or to remain unchanged
  5. 9. move or cause to move continuously and rapidly to and fro
  6. 11. of or at a fairly low temperature
  7. 12. the action or process of moving or being moved