What is light?
The speed of light.
The Electromagnetic Spectrum.
Visible Light.
Radio Waves.
100
A type of energy.
What is light?
100
Light travels faster than sound.
Why do you see lightning before you hear thunder?
100
Ultra Violet light.
What kind of light can a bee see that you cannot see?
100
Red, Orange, Yellow, Green, Blue, Indigo, Violet.
What does each letter in the imaginary name ROY G. BiV stand for?
100
The have longer wavelengths.
Why can AM waves travel a longer distance than FM waves?
200
Electric Magnetic Wave or EM wave.
A wave consists of changing electric and magnetic fields and that can travel through empty space is a(n)
200
300,000,000 M/S.
What is the speed of light in the near vacuum of space?
200
Electromagnetic Spectrum.
The entire range of EM waves is called?
200
Violet.
What color are the shortest wavelengths of visible light?
200
FM waves are less effected from noise.
Why does music broadcast from FM stations sound better than music broadcast from AM stations?
300
It requires matter to travel.
How is light different from other kinds of waves?
300
8.3 Min.
How long does light take to travel from the sun to the earth?
300
They are both types of EM waves.
In what way is visible light similar to ultraviolet light?
300
Red.
What color is the longest wavelengths of visible light?
300
Waves with shorter wavelengths and higher frequency.
Which kind of radio waves are used by television stations to carry sound?
400
Magnetic Field.
Every magnet is surrounded by a(n)
400
Most energy travels away in space.
Why does only a small part of the total energy given off by the sun reach earth?
400
Multiply wave length by its frequency.
How is the speed of a wave determined?
400
Visible Spectrum.
The range of colors of visible light is called?
400
Modulation.
Changing the amplitude or frequency of waves is called?
500
Perpendicular.
The electric and magnetic fields of an electromagnetic wave are _____ to each other and to the direction of the wave's motion. Fill in the blank.
500
Electric Magnetic waves or EM waves.
Fill in the blank. ________ from the sun are major source of energy on Earth.
500
Radio Waves, Microwaves, Infared, Visible light, Ultraviolet, X-rays, Gamma rays.
Name the seven kinds of EM waves in order from long wavelength to short wavelength.
500
White Light.
The visible light of all wavelengths combined is?
500
Amplituded modulated waves.
Which kind of radio waves are used by television stations to carry out pictures?
M
e
n
u