Electromagnetic Waves

3. Light, The only part of the electromagnetic spectrum that can be seen by the human eye.
4. Camera, A device that detects infrared radiation to produce images based on heat.
5. Reactions, Processes that produce gamma radiation.
7. Radiation, Another name for infrared radiation because it is felt as warmth.
8. Control, A device that uses infrared radiation to send signals to electronic equipment.
11. The ability to do work or produce change; electromagnetic radiation is a form of energy.
12. The number of wave cycles that pass a point in one second.
13. Treatment, A medical application in which gamma radiation is used to destroy cancer cells.
14. Radiation, The highest-energy electromagnetic radiation, used in cancer treatment but harmful in large amounts.
16. Electromagnetic waves used in microwave ovens, cell phones, and Wi-Fi communication.
18. Imaging, The use of X-radiation to produce images of bones and organs inside the body.
20. Electromagnetic radiation used in medical imaging to examine bones and internal organs.

1. Radiation, Electromagnetic radiation from the Sun that can cause sunburn and damage the skin and eyes.
2. Spectrum, The complete range of electromagnetic radiation arranged according to wavelength and frequency.
6. A disturbance that transfers energy from one place to another.
9. Radiation, Electromagnetic radiation that is felt as heat and is used in TV remote controls and thermal cameras.
10. Radiation, A special kind of energy that travels in waves through space and does not need a medium to travel.
15. The transmission of music, news, and information using radio waves.
17. The distance between two identical points on consecutive waves.
19. Waves, Electromagnetic waves with the longest wavelengths and lowest frequencies, used for broadcasting radio and television signals.