Across
- 4. American inventor Samuel Morse developed telegraph and the ____ code.
- 5. English physicist Michael Faraday published the law of ____.
- 6. 1928 was the year that the 1st experimental _______ broadcast in the U.S.
- 10. English physicist William Sturgeon developed the first ____.
- 11. German physicist Georg Ohm introduced the concept of electrical ____.
- 13. Alexander Graham Bell patented ____.
- 16. ____ are called to those with an interest in electricity.
- 17. Alessandro Volta invented the ____.
- 19. French scientist Edmond Becquerel discovered the ____ effect.
- 20. Pavel Yablochkov invented electrical carbon ____ lamp.
Down
- 1. Joseph Swan invented the ______ light bulb.
- 2. John Dalton discovered the ____ theory.
- 3. American scientist Benjamin Franklin explained how ____ jars worked.
- 7. First utilization of AC (in ____) by French neurologist Guillame Duchenne.
- 8. Heinrich Hertz proved the existence of electromagnetic waves;____.
- 9. Edwin Herbert Hall discovered the ____ effect.
- 12. English scientist Stephen Gray made the distinction between insulators and ____.
- 14. Nicholas Callan invented ____ in Ireland.
- 15. John Philip Reis invented the ____.
- 18. Italian scientist Luigi Galvani discovered ____ action in living tissue.