The ________________ represents the different forms of electromagnetic radiation.
Electromagnetic spectrum
Light is classified as ________________ because electrical and magnetic fields vibrate in a light wave.
Electromagnetic radiation
___________________ is energy that travels by radiation. An example of this is light.
Radiant energy
Heat radiation, also known as ________________, cannot be seen by your eyes but can be felt by your skin.
Infrared waves
Microwaves are one type of _________________.
Electromagnetic radiation
______________ can be used to communicate with satellites.
Radio waves
Because ________________ have the highest energy of all electromagnetic radiation, they are the most damaging to human tissue.
Gamma rays
Compared to all other types of electromagnetic radiation, radio waves have the lowest ___________.
Frequency
An overexposure to _____________ can result in sunburns and skin cancer.
Ultraviolet rays