Heat

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Across
  1. 2. cook
  2. 4. heater
  3. 7. radiation
  4. 9. melt
  5. 10. convection
  6. 12. thermal
  7. 13. warmth
Down
  1. 1. conduction
  2. 3. kettle
  3. 5. campfire
  4. 6. aircon
  5. 8. stove
  6. 10. cool
  7. 11. warm