How Does Sound Work Quiz
(249).jpg "How Does Sound Work Quiz - Quiz")
Sound, a phenomenon studied by smart brains all around the world for ages, is one of the most important topics of science. The behavior of sound is an interesting scientific study. This is a quick quiz for revision on the topic of Moving sound and Controlling sound. Brush up your skills and get ready for this test.
- 1.
Most of the sound you hear have travelled through the ______________.
- A.
Air
- B.
Gases
- C.
Solid
- D.
Liquid
Correct Answer
A. AirExplanation
Most of the sound you hear travels through the air. Sound is a mechanical wave that requires a medium to propagate, and air is the most common medium through which sound travels. When an object vibrates, it creates sound waves that travel through the air as compressions and rarefactions. These waves then reach our ears, where they are detected and interpreted as sound. While sound can also travel through other mediums such as liquids and solids, air is the most prevalent medium for sound transmission in our everyday environment.Rate this question:
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- 2.
_______________ travel through the water to your ears.
- A.
Sound
- B.
Vibrations
- C.
Music
- D.
Noise
Correct Answer
B. VibrationsExplanation
Vibrations travel through the water to your ears. Sound is a form of energy that travels in waves and requires a medium, such as water, to propagate. When an object vibrates in water, it creates waves that move through the water and reach our ears. These waves are detected by the ear's sensory receptors, which then send signals to the brain, allowing us to perceive the sound. Therefore, vibrations are the correct answer as they accurately describe the transmission of sound through water.Rate this question:
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- 3.
Through which material sound can travel fastest?
- A.
Water
- B.
Metal
- C.
Brick
- D.
Air
Correct Answer
B. MetalExplanation
Metal is the correct answer because sound waves travel fastest through solids compared to liquids, gases, or other materials. This is because the particles in a solid are closely packed together, allowing sound waves to propagate quickly through the material. In metals, the atoms are tightly bonded, which enables sound to travel at high speeds. In contrast, sound travels slower in water and air due to the larger gaps between particles. In brick, the sound waves have to travel through a solid material, but it is not as efficient as metal in transmitting sound.Rate this question:
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- 4.
Why we cant hear is space?
- A.
Because there is no oxygen in the space
- B.
Because there is no water in the space
- C.
Because there is no gravity in the space
- D.
Because there is no air in the space
Correct Answer
D. Because there is no air in the spaceExplanation
In space, there is no air or any other medium for sound waves to travel through. Sound requires a medium, such as air or water, to propagate. In the absence of air in space, sound cannot travel and therefore cannot be heard.Rate this question:
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- 5.
Speed of the sound in water is _______.
- A.
3000 meter per second
- B.
5000 meter per second
- C.
330 meter per second
- D.
1500 meter per second
Correct Answer
D. 1500 meter per secondExplanation
The speed of sound in water is 1500 meters per second. Sound travels faster in water compared to air because water is denser and has a higher molecular vibration rate. This allows sound waves to propagate more quickly through water.Rate this question:
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- 6.
Sounds that are annoying and irritating are called_______.
- A.
Bad sound
- B.
Loud sound
- C.
Noise
- D.
Musical sound
Correct Answer
C. NoiseExplanation
Sounds that are annoying and irritating are commonly referred to as "noise". Noise is typically defined as unwanted or unpleasant sounds that can be disruptive or bothersome to individuals. It can include various types of sounds such as traffic noise, construction noise, or loud music. The term "noise" is often used to describe sounds that are not considered pleasant or desirable.Rate this question:
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- 7.
______________________ can damage your ears.
- A.
Noise
- B.
Continuous loud sound
- C.
Music
- D.
Loud sound
Correct Answer
B. Continuous loud soundExplanation
Continuous loud sound can damage your ears because prolonged exposure to high levels of noise can cause permanent hearing loss. The constant bombardment of loud sound waves can damage the delicate structures in the inner ear, leading to a gradual loss of hearing over time. It is important to protect your ears by wearing earplugs or earmuffs in noisy environments and taking breaks from prolonged exposure to loud sounds.Rate this question:
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- 8.
When the source of the sound is further away you will hear ________________.
- A.
Loud sound
- B.
Quite sound
- C.
High pitched sound
- D.
Low pitched sound
Correct Answer
B. Quite soundExplanation
When the source of the sound is further away, the sound waves have to travel a longer distance to reach the listener. As a result, the sound waves spread out and become weaker, leading to a decrease in volume. Therefore, you will hear a quite sound when the source is further away.Rate this question:
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- 9.
Soft material can absorb the sound and make the sound___________.
- A.
Louder
- B.
Normal
- C.
Quiter
- D.
Higher
Correct Answer
C. QuiterExplanation
Soft materials have the ability to absorb sound waves, reducing their intensity and preventing them from bouncing back into the environment. As a result, the sound becomes quieter.Rate this question:
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- 10.
The women working in factories must wear ear protection so
- A.
She can protect herself
- B.
She can protect her ears
- C.
She can protect her eyes
- D.
She can protect her body
Correct Answer
B. She can protect her earsExplanation
The correct answer is "she can protect her ears." This is because working in factories often involves exposure to loud noises, which can be damaging to the ears. Wearing ear protection, such as earplugs or earmuffs, helps to prevent hearing loss and other ear-related issues that can be caused by prolonged exposure to loud sounds.Rate this question:
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- 11.
When the baby is crying, an adult should ___________
- A.
Put on ear defender
- B.
Make baby sleep
- C.
Should control the baby
- D.
Put the baby away
Correct Answer
C. Should control the babyExplanation
When the baby is crying, it is important for an adult to control the baby. This means attending to the baby's needs, such as checking if they are hungry, need a diaper change, or are in discomfort. By controlling the baby, the adult can provide the necessary care and comfort to help soothe the baby and address any underlying issues causing the crying.Rate this question:
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- 12.
Which one is good at absorbing sound.
- A.
Glass
- B.
Carpet
- C.
Brick
- D.
Wooden floor
- E.
Option 5
Correct Answer
B. CarpetExplanation
Carpet is good at absorbing sound because its thick and dense fibers trap and absorb sound waves, preventing them from bouncing off hard surfaces and creating echoes. The soft texture of carpet also helps to reduce noise by absorbing vibrations. This makes carpet an effective choice for reducing noise in rooms and improving acoustics.Rate this question:
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- 13.
When a man is snoring next to another person what should he do?
- A.
Put on ear defender.
- B.
Make the other person stop doing this.
- C.
Put ear defender on the man snoring.
- D.
Go away from there.
Correct Answer
A. Put on ear defender.Explanation
When a man is snoring next to another person, the person should put on ear defenders. This is because ear defenders help to block out or reduce the noise, allowing the person to sleep or concentrate without being disturbed by the snoring.Rate this question:
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- 14.
How do car makers try to make cars quite?
- A.
By lining silk material inside car.
- B.
By lining soft material inside car.
- C.
By lining metal in the car.
- D.
By closing windows and doors of cars.
Correct Answer
B. By lining soft material inside car.Explanation
Car makers try to make cars quiet by lining soft material inside the car. This soft material helps to absorb and reduce noise, vibrations, and harshness that may come from the engine, road, or wind. By lining the interior with soft materials, such as foam or insulation, car makers can create a more comfortable and peaceful driving experience for passengers.Rate this question:
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- 15.
If we spend long time near loud speaker it will
- A.
Damage our ears.
- B.
Damage our ear drum.
- C.
Damage cochlea.
- D.
Damage semi circular canal.
Correct Answer
A. Damage our ears.Explanation
Spending a long time near a loud speaker can lead to damage to our ears. The loud sound waves produced by the speaker can cause harm to the delicate structures within our ears, including the eardrum, cochlea, and semicircular canals. Prolonged exposure to loud noise can result in permanent hearing loss or other auditory issues. Therefore, it is important to protect our ears and limit our exposure to excessive noise levels.Rate this question:
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Sep 17, 2024Quiz Edited by
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Apr 09, 2021Quiz Created by
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