A________is a disturbance that transfers energy from one place to another without transferring matter.
wave
The ____ points on a transverse wave are crests
highest
Sound waves are ______waves that can travel through solids, liquids, and gases.
longitudinal
The __________________________ of a wave is the number of wavelengths that pass a point each second
frequency
____ is the passage of light through an object.
Transmission
Waves transfer energy without transferring _______.
energy
The ______points on a transverse wave are troughs
lowest
The back-and-forth or up-and-down movement of an object is called a _____
vibration
All types of waves can be ____ when they hit a surface.
reflected
______ is the bouncing of a wave off a surface.
Reflection
A wave that can travel only through________ is a mechanical wave.
matter
The regions of a longitudinal wave where the particles in the medium are closest together are called ______
compressions
The distance from one crest to the next crest is called the __________________________
wave length
A ____ wave can form when two waves with the same wavelength overlap while traveling in opposite directions.
standing
_____ occurs when a wave changes direction because its speed changes.
Refraction
The material in which a mechanical wave travels is called a _______.
medium
The regions of a longitudinal wave where the particles are farthest apart are ______.
rarefactions
Electromagnetic waves can travel through a __________________________.
vaccuum
____ interference occurs when a crest overlaps a trough.
Destructive
The change in direction of a wave when it travels past the edge of an object or through an opening is called _____.
diffraction
A(n) _______wave is a wave in which the disturbance is moving at right angles, or perpendicular, to the direction the wave travels.
transverse
Each vibration makes a _____.
wave
The unit of frequency is the __________________________
Hertz
_____ interference occurs when a crest overlaps a crest or a trough overlaps a trough.
Constructive
_____ occurs when waves overlap to form a new wave.
interference