Light Interactions
Light Properties
Electromagnetic Spectrum
Sound Waves
Sending Information Via Waves
100
This interaction happens when light is bouncing off of something.
Reflection or reflecting
100
The pattern that light photons move in.
Wave
100
The highest energy wave on the EM spectrum. It's so powerful, it is often associated with nuclear energy and even supernovas.
Gamma Radiation
100
The type of wave that a sound wave is.
Longitudinal or compression
100
This type of encoding sends or stores information using specific, discrete quantities or signals.
Digital
200
This interaction happens when light moves straight through a transparent medium.
Transmission or transmit
200
This property controls the brightness of light.
Amplitude
200
The lowest energy wave on the EM Spectrum. It is often used in broadcasting signals for media like television.
Radio Waves
200
Changing this property changes the pitch of the sound wave.
Frequency or Wavelength
200
This type of encoding sends or stores information using quantities that can vary continuously.
Analog
300
This interaction happens when light hitting an object does not bounce off or travel through.
Absorption
300
This property controls the color of visible light.
Wavelength
300
This type of wave is near the middle of the EM Spectrum. It is used by some predatory reptiles to help them see heat signatures of other animals.
Infrared
300
The volume of the sound heard is controlled by this property of the wave.
Amplitude or Intensity
300
True or false: Non-binary noise can be easily filtered out by digital systems.
True! (This is one major advantage of digital over analog, digital systems can filter out extra noise or signals that analog systems can't. This is why you hear static on the radio but not from a CD playing a digitally encoded song.)
400
This interaction happens when light is bent as it travels through one medium into another.
Refraction
400
All colors in the visible light spectrum can be created using these three colors.
Red, green, and blue
400
This type of wave is in the middle of the EM Spectrum. It is used by a large majority of living creatures to see color around them.
Visible Light
400
This state of matter allows for the fastest transmission of sound waves.
Solids
400
A common type of digital encoding, made up of only two values such as 1s and 0s
Binary Code
500
This interaction of light with objects is what allows humans to see.
Reflection
500
This color of light is made up of all the wavelengths of visible light combined.
White
500
This type of wave is near the center of the EM spectrum. It can be partially seen by some mammals, and helps them to see where prey may have been.
Ultraviolet Radiation
500
The name for why the pitch of a moving object changes from the perspective of the observer.
Doppler Shift or Doppler Effect
500
Is this analog or digital: an FM radio tower broadcasting music
Analog