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SOUND WAVES

Across
The frequencies higher than an instrument 's fundamental frequency
The process of using reflected sound waves to find objects (bats use this to find food)
The certain frequencies at which and object vibrates
A group of sounds put together on purpose to make a regular pattern
The bouncing back or reflection of a sound wave
The lowest frequency made by a vibration object
Is the bending of waves around a barrier or object
Repeated echoes of sound
A very thin layer of skin that stretches across the ear canal like a drumhead
A person's understanding of how much energy a sound wave carries
Down
Occurs when a wave passes from one medium into another and changes direction
Type of wave that needs a medium to travel through (ex:sound wave)
A wave that can travel through space or matter and consist of changing electric and magnetic fields. light is this kind of wave
A reflected sound wave
How high or low a sound is perceived to be
A type of wave in which particles of the medium vibrate back and forth
Waves that move through empty space (vacuum or use the matter to transfer energy
The most common unit used to express loudness
Happens when an object is made to vibrate at its natural frequencies by absorbing energy from a sound wave or another vibrating at these same frequencies