They cannot go through this
Vacuum
The medium only electromagnetic waves can go in
Vacuum
The bouncing back of light
Reflection
The top of a wave
Acronym for visible light
ROY G BIV
They go fastest in a
solid
Light can generally not go through this medium
Solids
The bending of light
Refraction
This is the bottom of the wave
What is the trough
The longest wavelengths in the spectrum
Radio Waves
They go slowest in a
gas
Light goes with a slow speed in this medium
Liquids
Light going past an obstacle
Diffraction
What is the wavelength
This is known to be protected by sunscreen
Ultraviolet
Light going into something
Absorption
The distance from the peak or trough to the horizontal middle of the wave
Amplitude
This term was coined by Madame Curie
Radiation
The sun gives light in this form
Radiation
The higher this is, the more energy the wave has- It has the formula d/t
Frequency
Known to be atomically small
Gamma Rays