wave created by vibrating electric charges, can travel through a vacuum or through matter, and have a wide variety of frequencies and wavelengths

electromagnetic wave with no mass and no charge that travels at the speed of light and is usually emitted with alpha and beta particles from a decaying atomic nucleus, has a wavelength less than about ten trillionths

system of satellites and ground monitoring stations that enable a receiver to determine its location at or above Earth's surface

electromagnetic waves that have a wavelength between about 1 mm and 750 billionths of a meter

the region around a magnet where the magnetic force is exerted

radio waves with wavelengths between about 1 m and 1 mm

particle that electromagnetic waves sometimes emit, behave like light; has energy that increases as the frequency of the electromagnetic wave increases

energy carried by an electromagnetic wave

electromagnetic waves with wavelengths longer than about 1 mm, used for communication

device that transmits one radio signal and receives another radio signal at the same time, allowing a cordless phone user to talk and listen at the same time

electromagnetic waves with wavelengths between about 400 billionths and 10 billions of a meter

electromagnetic waves with wavelengths of 750 to 400 billionths of a meter that can be detected by human eyes

electromagnetic waves with wavelengths between about 10 billionths of a meter and 10 trillionths of a meter, that are often used for medical imaging