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Ch 10 Sound

Total questions: 35

Worksheet time: 29mins

Name
Class
Date
1.
This is the unit used to measure the volume of a sound. 
a)
Decibel
b)
Medium
c)
Vibration
d)
Oscilloscope
2.

Bats use ________ to locate mosquitoes in the air.

a)

solar

b)

ecology

c)

echolocation

d)

refraction

3.
A disturbance that travels through a medium as a longitudinal wave
a)
sound
b)
wavelength
c)
pitch
d)
frequency
4.
When the sound source moves, the frequency changes
ex. police car siren sounding lower pitch after the car passes
a)
pitch
b)
frequency
c)
Doppler Effect
d)
medium
5.
The term for how high or low a sound is:
a)
pitch
b)
volume
c)
sound
d)
medium
6.
What is something natural that Sound cannot travel through?
a)
Water
b)
Air
c)
Liquids
d)
outer Space
7.
The _______________ is a tough membrane about 0.1 mm thick that transmits sound from the outer ear to the middle ear.
a)
Eardrum
b)
Cochlea
c)
Anvil
d)
Auditory Nerve
8.
The _______________ is a spiral-shaped structure that is filled with liquid and contains tiny hair cells.
a)
Eardrum
b)
Cochlea
c)
Anvil
d)
Auditory Nerve
9.
Sound __________________ is the amount of energy that passes through a certain area in a specific amount of time.
a)
Pitch
b)
Loudness
c)
Intensity
d)
Amplitude
10.
____________________ is the human perception of sound volume and primarily depends on sound intensity.
a)
Pitch
b)
Frequency
c)
Loudness
d)
Decibelness 
11.
_______________Is how high or low a sound seems to be, and it depends mainly on the frequency of the sound being produced.
a)
Amplitude
b)
Tenor
c)
Pitch
d)
Wavelength 
12.
The reason that ambulances and train horns seem to have a higher pitch while travelling toward an observer is the ___________________.
a)
Pitch Effect
b)
Doppler Effect
c)
Carbonaro Effect
d)
Decibel Effect
13.
True or False: Sound requires a medium.
a)
True
b)
False
14.
True or False: You could hear your friend yelling in outer space if they were yelling loud enough, because sound can travel in the absence of air.
a)
True
b)
False
15.
What kind of wave is sound?
a)
Longitudinal
b)
Transverse
c)
Electromagnetic
16.

Resonance occurs when a force causes an object to vibrate at

a)

a large amplitude.

b)

a low pitch.

c)

any frequency.

d)

its natural frequency.

17.

Sound is a form of energy produced by ______________.

a)

Vibrations

b)

Distances

c)

Prisms

d)

Forces

18.

A sound with a high frequency has a _____ pitch. A sound with a ____ frequency has a low pitch.

a)

high, low

b)

low, high

c)

medium, high

d)

high, medium

19.

What is this?

a)

Ear Drum

b)

Ear Canal

c)

Nerve

d)

Cochlea

20.

What is this?

a)

Nerve

b)

Ear canal

c)

Cochlea

d)

Ear Drum

21.
If you had to make some headphones to isolate sound, which material would you use?
a)
Soft, because they absorb sound. 
b)
Hard, because they reflect sound. 
22.

Part of the ear that gathers sound waves is the ______.

a)

Ear drum

b)

Cochlea

c)

Outer Ear

23.

Human perception of sound volume

a)

Amplitude

b)

Loudness

c)

Intensity

d)

Decibel

24.

What is ultrasound?

a)

Sound with a frequency higher than 20.000 Hz

b)

Sound with a frequency lower than 20 Hz

c)

Sound with a frequency 20 Hz

d)

sound with a frequency 20.000 Hz

25.

Sonar and echolocation use ----- to detect objects under water.

a)

Refraction

b)

Reflection

26.
The use of reflected sound waves to find objects is called:
a)
echolocation
b)
sound waves 
c)
radar
d)
echo
27.
When a car moves towards you, the sound of its horn seems relatively...
a)
Low pitched
b)
High pitched
c)
Normal
28.
When the car moves away from you, its horn seems...
a)
Low pitched
b)
High pitched
c)
Normal
29.
What do bats and dolphins use to find things? 
a)
their eyes
b)
their ears
c)
echolocation
30.

A set of notes that combine in patterns that are pleasing is known as

a)

Heat

b)

Instrument

c)

Music

d)

Songs

31.

which one is a stringed instrument

a)

guitar

b)

flute

c)

bells

d)

drum

32.

what is a wind instrument

a)

bell

b)

trombone

c)

violin

d)

cymbals

33.

what is a percussion instrument

a)

guitar

b)

violin

c)

tromboned

d)

drums

34.
Most musical instruments have something that vibrates linked to a ____.
a)
voice box
b)
resonator
c)
pipe
d)
hole
35.

Tells the difference between sounds of the same frequency (pitch).

a)

Acoustics

b)

Loudness

c)

Sound Quality

d)

Resonance

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