Across
- 1. emitted by radio stations, MRI’s, RADAR, Wi-Fi, TV, and cell phones
- 2. used to kill cancer cells, sterilize medical equipment, and in radioactive tracers
- 6. given off by the sun; used in light bulbs, to kill bacteria, and by the human body to make vitamin D
- 7. massless bundles of energy
- 8. these types of waves have the shortest wavelength with the highest frequency and energy
- 12. used for cooking, Doppler Radar, and GPS
- 13. abbreviation for electromagnetic spectrum
- 14. pieces of matter
- 15. used to take pictures of bones to check for breaks and fractures, also used in CAT scans
Down
- 1. the visible light spectrum in order
- 3. electric and magnetic waves released by a vibrating electric charge, capable of transferring energy through a vacuum
- 4. the entire range of frequencies of electromagnetic radiation
- 5. a disturbance that can carry energy
- 9. these types of waves have the longest wavelength with the lowest frequency and energy
- 10. used in night vision goggles, remote controls, and infrared photography
- 11. the only electromagnetic waves we can see; given off by the sun and light bulbs