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Final Exam Sound Waves Grade 9

Authored by Negar Ina

Physics, Science

9th Grade

Used 10+ times

Final Exam Sound Waves Grade 9
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35 questions

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1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

What is the function of the outer ear?

To increase the size of the vibrations

To convert vibrations into electric signals for the brain to interpret

To collect sound waves and direct them into the ear canal

To maintain balance

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Sound travels as

transverse waves.

shock waves.

airwaves.

longitudinal waves.

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Which part of the ear increases the size of the vibrations of sound waves entering the ear?

Outer ear

Ear canal

Middle ear

Inner ear

4.

FILL IN THE BLANK QUESTION

5 mins • 1 pt

A(n)……………… is necessary for sound to travel from its source to a listener.

5.

FILL IN THE BLANK QUESTION

5 mins • 1 pt

One of the most common types of hearing loss is called ……………, which results from long-term exposure to loud sounds.

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

When you double the distance between yourself and a loud sound, the sound’s intensity to your ears will be ………………… of what it was before.

one-half

one-third

one-fourth

two-thirds

7.

FILL IN THE BLANK QUESTION

5 mins • 1 pt

Name the three bones in the middle ear (respectively) that act as levers.

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