Vocabulary
Properties
Types
Electromagnetic Spectrum
Lenses
100
the measurement from the rest position to the trough position of a wave
amplitude
100
What is this illustration depicting?
refraction
100
a wave vibrating in the direction of propagation.
longitudinal wave
100
Which color of visible light has the highest frequency?
violet
100
A converging lens, the refracted rays converge at one point called the principal focus.
Convex
200
the time it takes to complete one cycle of a wave
period
200
What property allows us to see the light of one object on another object?
reflection
200
a wave vibrating at right angles to the direction of its propagation.
transverse
200
Which color of visible light has the highest wavelength?
red
200
a diverging lens, meaning that it spreads out light rays that have been refracted through it.
Concave
300
the number of waves that pass a fixed place in a given amount of time.
frequency
300
What is going on here?
diffraction
300
The wave illustrated is a 
transverse wave
300
Which category of waves on the electromagnetic spectrum have the lowest frequency?
radio waves
300
The human eye is an example of a ____________ lens
Convex
400
The highest point of a wave, maximum
crest
400
What phenomena is this? 
interference
400
waves that require a medium to travel through
mechanical waves
400
Which category of waves on the electromagnetic spectrum have the highest frequency?
Gamma Waves
400
The telescope is an example of a ______________ lens
convex
500
The middle line of a wave. When a wave is at rest it is at _________________
equilibrium
500
the fact or phenomenon of light, radio waves, etc. being deflected in passing obliquely through the interface between one medium and another or through a medium of varying density.
refraction
500
waves that do not require a medium to travel through
electromagnetic waves
500
Which wave group is in between infrared and radio?
microwave
500
A flashlight is an example of a _______ lens
concave