Sources of light

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Across
  1. 1. Computer
  2. 5. Thunder
  3. 6. Lightbulb
  4. 7. Fire
  5. 11. Telephone
Down
  1. 1. Candle
  2. 2. Star
  3. 3. Trafficlight
  4. 4. Firefly
  5. 8. Jellyfish
  6. 9. Lamp
  7. 10. Sun