| A | B |
|---|
| Electromagnetic (EM) waves | Transverse waves consisting of changing electric and magnetic fields |
| Wave-particle Duality | Light is both a wave and a particle |
| Photon | A massless bundle of energy that behaves like a particle |
| Electromagnetic spectrum | The entire range of electromagnetic wave frequencies |
| Radio waves | Waves used for communication and medical imaging |
| Microwaves | Waves used for cooking and cell phones |
| Infrared waves | Waves we experience as heat |
| Visible light | Part of the EM spectrum humans can see |
| Ultraviolet waves | Waves we use to make Vitamin D, but cause sunburn |
| X-rays | Waves used to view bones in body, but can cause mutations |
| Gamma rays | Waves with the most energy, used as cancer treatment |
| Carrier wave | An EM wave with the frequency assigned to a radio or TV station |
| Signal wave | An EM wave that carries sounds or images converted into electric signals |
| Modulation | The process of adding the signal wave to a carrier wave |
| Amplitude Modulation (AM) | Carrier wave and signal wave combined to produce varying amplitudes |
| Frequency Modulation (FM) | Carrier wave and signal wave combined to produce varying frequencies |
| Transceiver | Device that transmits at one frequency, receives at another (Ex. Cell phone) |
| Global Positioning System (GPS) | A system of satellites, ground monitoring stations, and receivers that determine your exact location at or above Earth’s surface |
