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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 EM radiation, they are the most damaging to human tissue.
gamma rays
Compared to all other types of EM radiation, radio waves have the lowest ____________.
frequency
An overexposure to ______________ can result in sunburns and skin cancer.
ultraviolet rays
Why does a paper plate not heat up in the microwave?
The paper plate contains very little water!
Why should you use sunscreen and a hat when you are out in the Sun?
They help block UV radiation (from the Sun)
What type of technology uses X-Rays?
C. Examining the inside of a weld in a steel pipe.
What type of technology uses microwaves?
G. cell phone
What type of technology uses gamma rays?
F. used by an oncologist (physician who studies and treats caner)
What type of technology uses radio waves?
A. TV broadcast signals
What type of technology uses infrared waves?
D. lamp used to warm a baby chick
