Elena's hard light and sound crossword

123456789101112
Across
  1. 4. energy carried over wires
  2. 5. the spectrum that causes sunburn
  3. 6. not clear,blocking light so none get through
  4. 9. a way of communicating with dots and dashes
  5. 11. to take or soak in
  6. 12. the telegraph
Down
  1. 1. an early machine for showing movies
  2. 2. protection from danger
  3. 3. clear,see through so light gets through
  4. 7. short invisible light waves beyond violet
  5. 8. for rainbow
  6. 10. hurt/harm