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Year 4 Exam  >  Year 4 Tests  >  Test: Sound - Year 4 MCQ

Test: Sound - Year 4 MCQ


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10 Questions MCQ Test - Test: Sound

Test: Sound for Year 4 2024 is part of Year 4 preparation. The Test: Sound questions and answers have been prepared according to the Year 4 exam syllabus.The Test: Sound MCQs are made for Year 4 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Sound below.
Solutions of Test: Sound questions in English are available as part of our course for Year 4 & Test: Sound solutions in Hindi for Year 4 course. Download more important topics, notes, lectures and mock test series for Year 4 Exam by signing up for free. Attempt Test: Sound | 10 questions in 20 minutes | Mock test for Year 4 preparation | Free important questions MCQ to study for Year 4 Exam | Download free PDF with solutions
Test: Sound - Question 1
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What can sound travel through?

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Sound can travel through anything that can vibrate - this is described as the 'transmission' of sound
Test: Sound - Question 2
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Sound waves can be reflected off solid objects. When this happens, what do we hear?

Detailed Solution for Test: Sound - Question 2
Have you ever heard your voice echo? Large, empty rooms, such as in a cathedral, are great places for echoes
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Test: Sound - Question 3
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Sound waves can be reflected, transmitted or what else?

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Soft, flexible, fibrous materials can often absorb sound - these materials are good for soundproofing
Test: Sound - Question 4
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Which unit is the intensity (loudness) of a sound measured in?
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Sounds above 85 decibels can damage your ears - concerts, loud MP3s and motorbikes all reach levels higher than this
Test: Sound - Question 5
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When a sound wave hits your ear, it makes the air in your ear vibrate. These vibrations cause what part of your body to vibrate?
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The ear drum makes three tiny bones move and these pass the vibrations on to the cochlea. The cochlea sends signals to the brain which we hear as sound
Test: Sound - Question 6
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When something vibrates quickly, it makes high frequency waves. You hear this as what kind of sound?
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High frequency vibrations make high pitched sounds and low frequency vibrations make low pitched sounds
Test: Sound - Question 7
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Which unit is sound frequency measured in?
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1 Hertz = 1 vibration per second
Test: Sound - Question 8
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Which part of a musical instrument vibrates to produce sound?
Detailed Solution for Test: Sound - Question 8

Instruments like guitars, violins, and pianos produce sound through vibrating strings. When the strings are plucked or struck, they vibrate, creating sound waves that travel through the air.

Test: Sound - Question 9
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What causes the phenomenon of resonance in sound?
Detailed Solution for Test: Sound - Question 9

Resonance occurs when an object vibrates at its natural frequency in response to the vibrations of another object. This amplifies the sound and can make it louder or more intense.

Test: Sound - Question 10
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Which of these animals is known for using echolocation?
Detailed Solution for Test: Sound - Question 10

Dolphins, along with some bats and whales, use echolocation to navigate and locate objects underwater. They emit sound waves and listen to the echoes that bounce back, allowing them to determine the location, size, and shape of objects in their environment.

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Important Questions for Sound

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Sound MCQs with Answers

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