What is Light, Electrical and Magnetic fields?
Electromagnetic Spectrum
Electromagnetic Waves(and more fields)
The Speed of Light
Radio Waves.
100
These two things produce light.
What is light bulbs and the sun?
100
Waves used for broadcasting radio signals are called...
What is radio waves?
100
It's by the vibration of and electrically charged particle.
What is the way an EM wave is produced?
100
You see lightning before you hear thunder that accompanies it. Why?
What is light travels much faster than sound?
100
Changing the frequency or amplitude of waves is called...
What is modulation?
200
A wave that consists of changing electric and magnetic fields and that can travel through empty space is an...
What is electromagnetic waves?
200
The part of the electromagnetic spectrum where it allows us to see the bones in your body.
What are x-rays?
200
The transfer of energy as electromagnetic waves is called...
What is radiation?
200
Speed of light in the near vacuum of space.
What is 300,000,000 m/s or 300,000 km/s?
200
It's these kind of radio waves that are used by television stations to carry out sound.
What is frequency-modulated waves?
300
A type of energy.
What is light?
300
The part of the electromagnetic spectrum where the light looks like a rainbow. You can also see the light.
What is visible light?
300
The vibration of an electric field and a magnetic field together produces an EM wave.
What is where the the energy goes as its carried by an EM wave?
300
Speed of light from the sun to earth.
What is 8.3 minutes?
300
It's these kind of waves that are used for television stations to carry out pictures.
What is amplitude modulated waves?
400
It's where fields exist and what they do.
What is fields being around certain objects and can exert a force on another object without touching that object?
400
This type of wave can also be used to cook your food.
What is microwave?
400
Every charged object is surrounded by a...
What is field?
400
(Blank) from the sun are the earth's major source of energy .
What is EM waves?
400
FM stations sound better than AM radio stations because...
What is they are less effected by electrical noise?
500
The electric and magnetic fields of an electromagnetic wave are...(blank)...to each other and to the direction of the wave's motion.
What is perpendicular?
500
The entire range of EM waves is called the...
What is the electromagnetic spectrum?
500
An electric field pulls (blank) objects toward it and repels (blank) objects.
What is opposite and like-charged?
500
Every magnet is surrounded by a...
What is magnetic field?
500
Which of the seven waves on the EM spectrum has the longest wavelength?
What is radio wave?
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