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SOUND WAVES

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