Across
- 1. On AM broadcasts, what remains constant?
- 3. An image that shows regions of different temperatures in different colors.
- 5. German physicist, applied Maxwell's theories to the production and reception of radio waves.
- 7. Electromagnetic waves with wavelengths shorter than visible light but longer than X-rays, also termed radiation.
- 8. Electromagnetic waves with wavelengths shorter than ultraviolet rays but longer than gamma rays.
- 11. Serbian-American inventor, electrical engineer, mechanical engineer, and futurist best known for his contributions to the design of the modern alternating current electricity supply system
- 13. Cellular telephones transmit and receive signals using high-frequency ________________.
- 14. Danish physicist and chemist who discovered that electric current in a wire can deflect a magnetized compass needle, a pheno
- 16. Electromagne
- 17. Serbian-american inventor, electrical engineer, mechanical engineer, and futurist best known for his contributions to the des
- 18. The electromagnetic waves with the highest frequencies
- 19. The man who formulated the law of electromagnetismDanish physicist and chemist who discovered that electric current in a wire can deflect a magnetized .compass needle.
- 20. Electromagnetic radiation that can be seen with the unaided eye.
- 21. In a vacuum, all electromagnetic waves have the same.
Down
- 2. Waves that have some electrical properties and some magnetic properties.
- 4. English scientist who contributed to the study of electromagnetism and electrochemistry.
- 6. Electromagnetic waves are classified as _______________ waves.
- 9. English scientist, developed a scientific theory to explain electromagnetic waves.
- 10. Italian physicist, chemist and lay Catholic who was a pioneer of electricity and power who is credited as the inventor of the electric battery.
- 12. waves that have the longest wavelengths and lowest frequencies.
- 15. German-british electrical engineer and businessman.