# Sound Waves Characteristics: Quiz!

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| By Jpmitchell
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Questions: 8 | Attempts: 1,894

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What do you know about sound waves? Sound waves are the longitudinal way of traveling through a medium like air or water. Waves can also travel as a transverse wave in solids, and a sound source causes the sound waves. The sound source produces vibrations in the surrounding medium, and it is transmitted in an elastic medium. This great quiz will teach you about sound wave characteristics.

• 1.

### What is the measure of how soft or loud a sound is?

• A.

Pitch

• B.

Intensity

• C.

Frequency

B. Intensity
Explanation
Intensity refers to the measure of how soft or loud a sound is. It is directly related to the amplitude of the sound wave, with higher amplitudes corresponding to louder sounds and lower amplitudes corresponding to softer sounds. Therefore, intensity is the correct answer for this question.

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• 2.

### The measurement of sound intensity is?

• A.

Decibel

• B.

Kilogram

• C.

Watt

A. Decibel
Explanation
The measurement of sound intensity is decibel. The decibel is a unit used to quantify the intensity of sound. It is a logarithmic scale that compares the sound pressure level to a reference level. This scale allows for a more accurate representation of the wide range of sound intensities that humans can perceive. The decibel scale is commonly used in fields such as acoustics, physics, and engineering to measure and describe sound levels.

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• 3.

### What converts waves into sound?

• A.

Vibration

• B.

• C.

Explanation
The brain is responsible for converting waves into sound. When sound waves enter the ear, they cause the eardrum to vibrate. These vibrations are then transmitted to the cochlea, a spiral-shaped structure in the inner ear. The cochlea contains tiny hair cells that convert the vibrations into electrical signals. These signals are then sent to the brain through the auditory nerve. It is the brain that processes these electrical signals and interprets them as sound, allowing us to perceive and understand the auditory information.

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• 4.

### What waves make high pitched sounds?

• A.

Waves that parallel

• B.

Waves that are far apart

• C.

Waves that are close together

C. Waves that are close together
Explanation
High pitched sounds are produced by waves that are close together. When waves are close together, they have a higher frequency, which results in a higher pitch. This is because the frequency of a wave is directly proportional to the pitch of the sound it produces. So, waves that are close together create high pitched sounds.

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• 5.

### What means how high or low a sound is?

• A.

Intensity

• B.

Decibel

• C.

Pitch

C. Pitch
Explanation
Pitch refers to how high or low a sound is. It is determined by the frequency of the sound waves, with higher frequencies producing higher pitches and lower frequencies producing lower pitches. Intensity, on the other hand, refers to the loudness or softness of a sound, while decibel is a unit used to measure the intensity of sound. Therefore, pitch is the correct answer as it specifically relates to the highness or lowness of a sound.

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• 6.

### What means a quick back and forth movement?

• A.

Vibration

• B.

Pitch

• C.

Intensity

A. Vibration
Explanation
A quick back and forth movement is commonly referred to as vibration. Vibration involves rapid oscillations or shaking motions that occur in a repetitive manner. It can be felt or observed in various objects or systems, such as vibrating phones or vibrating machinery. The other options, pitch and intensity, do not specifically describe a quick back and forth movement, making vibration the most suitable answer.

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• 7.

### A big dog's bark has a  ______ pitch than a small dog's bark.

• A.

Higher

• B.

Equal

• C.

Lower

C. Lower
Explanation
A big dog's bark has a lower pitch than a small dog's bark because larger dogs tend to have larger vocal cords and a deeper voice. This results in a lower frequency of sound waves produced when they bark compared to smaller dogs with higher-pitched barks.

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• 8.

### The two properties of sound are pitch and ______.

intensity
Explanation
Pitch and intensity are the two main properties of sound. Pitch refers to the perceived frequency of a sound wave, determining whether it is high or low. Intensity, on the other hand, refers to the amplitude or loudness of a sound wave. It measures the amount of energy carried by the sound wave and determines how loud or soft the sound is. Therefore, intensity is the correct answer to complete the given question.

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• Current Version
• Mar 21, 2023
Quiz Edited by
ProProfs Editorial Team
• Sep 26, 2009
Quiz Created by
Jpmitchell

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