All About Waves
This type of wave needs matter in order to travel.
What are mechanical waves?
Electromagnetic waves do not need ____ to travel.
What is matter?
This is the only type of electromagnetic wave that humans can see without special equipment.
What is visible light?
This part of the eye closes in bright places and widens in dark places.
What is the pupil?
Sounds waves are an example of this type of wave that is characterized by matter that vibrates in the same direction as the movement of the wave.
What are longitudinal waves?
The bottom of a transverse wave is called ____.
What is a trough?
These are the electromagnetic waves with the shortest wavelength.
What are gamma rays?
When light cannot pass through an object, that object is called this.
What is opaque?
This part of the ear contains the three smallest bones in the body.
What is the middle ear?
Sound waves are an example of this kind of wave, that requires matter to move through.
What are mechanical waves?
This represents the number of full cycles of a wave that pass a point in one second.
What is frequency?
For waves in the electromagnetic spectrum, as wavelength increases, this happens to frequency.
What is decreases?
The three things that can happen when light hits an object are:
What are transmit, absorb, and reflect?
This part of the ear separates the outer ear from the middle ear.
What is the eardrum?
Sound waves travel fastest through this phase of matter.
What are solids?
The distance from a part of the wave to the same part of the next wave is called ____.
What is wavelength?
As the frequency of a wave increases, the energy of the wave does this.
What is increase?
The shortest wavelength of visible light is this color.
What is violet?
These are a type of cell in your retina that are responsible for detecting color.
What are cones?
When a sound is louder, this property of the wave gets bigger.
What is amplitude?
The part of a longitudinal wave where matter is compressed is called a ____.
What is a rarefaction?
This is constant for all electromagnetic waves.
What is speed?
Black objects appear black because of this.
They absorb all wavelengths of color.
Lenses in our eyes bend light to focus it towards the retina. This bending of light is called ____.
What is refraction?
When the pitch of a sound gets higher, this property of the wave gets larger.
What is frequency?