Science Test Over Sound Quiz

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| By Matilda62

Matilda62

Community Contributor

Quizzes Created: 2 | Total Attempts: 231

Questions: 11 | Attempts: 121 | Updated: Mar 11, 2024

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If sound was never calculated or understood we would not be able to enjoy acoustic music in piece. The study of sound is complex and fun if you open your mind to it. The quiz below tests just how much you know about sound. Give it a try and have fun!

Questions and Answers

1.

How do different musical instruments produce sound?
- A.
  
  They're alive and start singing.
- B.
  
  They vibrate on various areas (surface, strings, etc.)
- C.
  
  They use echolocation to make a sound wave.
- D.
  
  They use the Doppler effect to make sound.
Correct Answer
B. They vibrate on various areas (surface, strings, etc.)

Explanation
Different musical instruments produce sound by vibrating on various areas such as the surface, strings, or other components. When these parts vibrate, they create vibrations in the surrounding air molecules, which then travel as sound waves to our ears. The specific way in which each instrument vibrates and the materials used contribute to the unique sound produced by each instrument.

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2.

Check the ones that are true and leave the ones that are false.
- A.
  
  The Doppler effect was discovered by Albert Einstein.
- B.
  
  Bats and dolphins use echolocation to find their food.
- C.
  
  Quality makes sound louder.
Correct Answer
B. Bats and dolpHins use echolocation to find their food.

Explanation
This statement is true. Bats and dolphins use echolocation to find their food. Echolocation is a biological sonar system that these animals use to navigate and locate objects in their environment. They emit high-frequency sound waves and listen for the echoes that bounce back, allowing them to determine the location, distance, and movement of objects around them. This ability is crucial for their survival and hunting success.

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2
0
3.

Sound begins with matter.
- A.
  
  True
- B.
  
  False
Correct Answer
A. True

Explanation
Sound is a form of energy that is produced by the vibration of matter. When an object vibrates, it creates sound waves that travel through a medium, such as air or water. These sound waves then reach our ears, allowing us to perceive sound. Therefore, it can be concluded that sound does indeed begin with matter, making the answer "True".

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4.

The part of a sound wave when molecules spread apart is ______________.

Correct Answer
Rarefaction
rarefaction
Rarefaction.
rarefaction.

Explanation
The correct answer is "Rarefaction." Rarefaction refers to the part of a sound wave where molecules spread apart.

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1
4 0
5.

What does sound travel the best through?
- A.
  
  Jell-O
- B.
  
  Liquids
- C.
  
  Solids
- D.
  
  Gases
Correct Answer
C. Solids

Explanation
Sound travels the best through solids because they have a higher density and a more compact structure compared to liquids and gases. The particles in solids are closely packed, allowing sound waves to easily propagate through them. Liquids and gases, on the other hand, have less dense and more loosely arranged particles, which results in a less efficient transmission of sound.

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6.

The part of a sound wave where molecules bunch together is called ________________.

Correct Answer
Compression
compression
Compression.
compression.

Explanation
The part of a sound wave where molecules bunch together is called compression.

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4
7.

The same note played at the same loudness on different instruments sound the same.
- A.
  
  True
- B.
  
  False
Correct Answer
B. False

Explanation
Different instruments have unique characteristics that affect the way they produce sound. While playing the same note at the same loudness may result in similar pitch, the timbre or quality of the sound will vary depending on the instrument. Each instrument has its own unique set of harmonics and overtones that contribute to its distinct sound. Therefore, playing the same note on different instruments will not sound exactly the same.

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8.

Explain how a sound is recorded.
9.

What is the Doppler effect?
- A.
  
  When somebody bakes a cake.
- B.
  
  When the sound can effect different types of buildings and knock them down.
- C.
  
  When the roar of a siren is louder coming toward you then going away from you.
Correct Answer
C. When the roar of a siren is louder coming toward you then going away from you.

Explanation
The Doppler effect refers to the change in frequency or pitch of a sound wave when the source of the sound is moving relative to the observer. As the source moves closer to the observer, the sound waves are compressed, resulting in a higher frequency and a perceived increase in volume. Conversely, as the source moves away from the observer, the sound waves are stretched, resulting in a lower frequency and a perceived decrease in volume. Therefore, the statement "When the roar of a siren is louder coming toward you then going away from you" accurately describes the Doppler effect.

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1
0
10.

Sound travels in __________.

Correct Answer
waves.
Waves
waves
Waves.

Explanation
Sound is a form of energy that travels in waves. These waves are created when an object vibrates, causing the surrounding air particles to vibrate as well. These vibrations then travel through the air as waves, which our ears detect as sound. Therefore, the correct answer is "waves."

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4
11.

Sound travels in waves just like _____________.

Correct Answer
Light.
Light
light.
light

Explanation
Sound travels in waves just like light. Both sound and light are forms of energy that travel in waves, although they differ in the medium through which they propagate. Sound waves require a medium such as air, water, or solids to travel, while light waves can travel through a vacuum. Both sound and light waves exhibit properties such as wavelength, frequency, and amplitude, and can be reflected, refracted, and diffracted. Therefore, the comparison of sound waves to light waves is appropriate.

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4

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Current Version
Mar 11, 2024

Quiz Edited by
ProProfs Editorial Team
Apr 23, 2011

Quiz Created by
Matilda62

Science Test Over Sound Quiz

How do different musical instruments produce sound?

Check the ones that are true and leave the ones that are false.

Sound begins with matter.

The part of a sound wave when molecules spread apart is ______________.

What does sound travel the best through?

The part of a sound wave where molecules bunch together is called ________________.

The same note played at the same loudness on different instruments sound the same.

Explain how a sound is recorded.

What is the Doppler effect?

Sound travels in __________.

Sound travels in waves just like _____________.