Science terms

Longitudinal waves that can only travel through matter
Medium
Sound waves
A rapid, back and forth motion that can occur in solid, liquid, and gas.
Vibration
Amplitude
The bouncing of a wave off a surface
Reflection
Compression
Which type of wave moves perpendicular to the medium?
Compression
Transverse
A reflected sound wave
Rarefaction
Echo
Frequencies of sound below human hearing range
Ultrasound
Echo
Transfer of energy by a wave to the medium through which it travels
Absorption
Echo
The change in direction of a wave when it travels by the edge of an object or through an opening.
Refraction
Diffraction
The perception of how high or low a sound seems
Pitch
Loudness
Name two types of mechanical waves.
Seismic
-transverse and longitudinal
-A change in sound frequency caused by motion of the sound source, motion of the listener, or both
Echo
Doppler Effect
-The distance from two corresponding (or the same) parts of a wave.
Amplitude
Wavelength
-How many waves can pass a given point per second, measured in Hertz (Hz)
What are waves
Frequency
-Highest point of a wave
Trough
Crest
Which type of waves require a medium?
Electromagnetic
-Mechanical
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