Chapter 17 Vocabulary

electromagnetic waves with higher frequencies and shorter wavelengths than radio waves but lower than visible light

a system of detecting reflected radio waves

electromagnetic radiation that can be seen with the unaided eye

method of transmitting radio signals by changing the amplitude of the waves

lights that glow when an electric current causes ultraviolet waves to strike a coating inside a tube

electromagnetic waves with frequencies higher than visible light, but lower than X-rays

electromagnetic waves with higher frequencies that ultraviolet rays, but shorter than gamma rays

energy that travels through space in the form of electromagnetic waves

a tiny particle or packet of light energy

lights that glow when a filament inside them gets hot

method of transmitting radio signals by changing the frequency of the waves

radio waves with the shortest wavelengths and highest frequencies

electromagnetic waves with the longest wavelengths and lowest frequencies

radio waves with the shortest wavelengths and highest frequencies

the range of electromagnetic waves placed in a certain order