Chapter 12: Electromagnetic Waves 

________: Waves that behave as a particle whose energy depends on the frequency of the waves.

________ produce the images you see on television.

________: transmits one radio signal and receives another radio signal from a base unit.

An image is created when the three electron beams of the ________ sweep back and forth across the screen.

________ to ultraviolet rays can cause skin damage and cancer.

To call on a mobile telephone, the telephone transmits ________ directly to a satellite.

________ absorb ultraviolet waves and reemit the energy as visible light.

________ with wavelengths of about 1 cm to 20 cm are widely used for communication, such as for cellular telephones and satellite signals.

________ stands for RAdio Detecting And Ranging.

________ are transmitted by FM radio stations by varying the frequency of the carrier wave.

________ are owned and operated by the United States Department of Defense, but the microwave signals they send out can be used by anyone.

________: a sealed vacuum tube in which one or more beams of electrons are produced.

The ________: a system of satellites, ground monitoring stations, and receivers that determine your exact location at or above Earths surface.

________ are produced by something that vibrates, and they carry energy from one place to another.

Instead of transferring energy from particle to particle, electromagnetic waves travel by transferring energy between vibrating electric and ________.

________: the range of electromagnetic waves that you can detect with your eyes.

________ is a molecule composed of three oxygen atoms.

________: electromagnetic waves with wavelengths from about 400 billionths to 10 billionths of a meter.

________: Radio waves with wavelengths of less than about 30 cm.

________: The specific frequency of the electromagnetic wave that a radio station is assigned.

________ use solar panels to provide the electrical energy they need to communicate with receivers on Earth.

A(n) ________ is a disturbance that carries energy, and a particle is a piece of matter.

________ are produced by processes that occur in atomic nuclei.

A(n) ________ does not produce compressions and rarefactions as it travels through air.

________ has wavelengths around 750 billionths to 400 billionths of a meter.

________: made by vibrating electric charges and can travel through space where matter is not present.

The energy carried by an electromagnetic wave

low-frequency electromagnetic waves with wavelengths longer than about 1 mm

a type of electromagnetic wave with wavelengths between about 1 mm and about 750 billionths of a meter

electromagnetic waves with wavelengths from about 400 billionths to 10 billionths of a meter

have wavelengths between about ten billionths of a meter and ten trillionths of a meter

Electromagnetic waves with wavelengths shorter than about 10 trillionths of a meter

The specific frequency of the electromagnetic wave that a radio station is assigned

a sealed vacuum tube in which one or more beams of electrons are produced

transmits one radio signal and receives another radio signal from a base unit