Light and Darkness

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Across
  1. 2. When there is no light.
  2. 3. A man made light source that is made of wax.
  3. 6. A device that detect the brightness of sunlight.
  4. 7. An animal that give off light from its body.
  5. 8. Something we can use to make fire.
  6. 9. A light source made by humans that needs electricity to work.
  7. 11. A young of a type of insect that gives off light from its body.
  8. 14. Things that emit light.
  9. 15. Source of light we use when camping.
Down
  1. 1. A man-made light source that is beautiful.
  2. 2. A job that needs to use very bright lamps at work.
  3. 4. A natural light source that appears during a thunder storm.
  4. 5. The biggest light sources for living things.
  5. 8. Reflecting the light of the sun in the night sky.
  6. 10. A reflector of light and you can see yourself on it.
  7. 12. A form of energy.
  8. 13. The light sources that helps the sailors