Quiz about Sound

Question 1

Sound travels as

Accepted Answer

longitudinal waves

Answer

transverse waves

Answer

seismic waves

Answer

air waves

Question 2

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

Accepted Answer

middle ear

Answer

outer ear

Answer

ear canal

Answer

inner ear

Question 3

Which part of the ear acts as a funnel for sound waves?

Accepted Answer

outer ear

Answer

inner ear

Answer

middle ear

Answer

ear canal

Question 4

As air particles are pushed together, they create a region of higher density and pressure in a longitudinal wave.  These areas are called:

Accepted Answer

compressions

Answer

sound waves

Answer

rarefactions

Answer

transverse wave

Question 5

As air particles become less crowded a region of lower density and pressure is created. This part of a longitudinal wave is called a:

Accepted Answer

rarefaction

Answer

compression

Answer

sound wave

Answer

transverse wave

Question 6

Sound travels at different speeds through different mediums.  Through which medium would your voice travel the fastest?

Accepted Answer

A metal wall

Answer

Air on a cold winter morning

Answer

Air on a hot summer afternoon

Answer

A pool

Question 7

This part of the ear is vibrated by sound waves.  It is a lightly stretched membrane that is the entrance to the middle ear.

Accepted Answer

Ear Drum

Answer

Pinna

Answer

Hammer

Answer

Cochlea

Question 8

This fluid-filled snail-shaped sack in the inner ear contains hair cells attached to nerves which transmit sound information to the brain.

Accepted Answer

Cochlea

Answer

Hammer

Answer

Anvil

Answer

Stirrup

Question 9

Your __________ vibrate when you talk

Accepted Answer

vocal cords

Answer

stomach

Answer

lips

Answer

ears

Question 10

An oscilloscope shows sound ________

Accepted Answer

waves

Answer

vibrations

Answer

patterns

Answer

imitations

Question 11

An image made by a special machine, often used for seeing internal organs in humans is called a(n):

Accepted Answer

Ultrasound

Answer

infrasound

Answer

doppler effect

Answer

decibel

Question 12

A sound with a high pitch would have

Accepted Answer

a high frequency

Answer

a low frequency

Answer

a low amplitude

Answer

a high amplitude

Question 13

Sound can be measured in ________.  It is recommended that humans not be exposed to volumes over 85 _______ for long periods of time.

Accepted Answer

decibels

Answer

decimals

Answer

frequency

Answer

hertz

Question 14

A sound with a low pitch would have a:

Accepted Answer

low frequency

Answer

high frequency

Answer

high amplitude

Answer

low amplitude

Question 15

A very loud sound would have a(n):

Accepted Answer

high amplitude

Answer

high frequency

Answer

low frequency

Answer

low amplitude

Question 16

Sound travels at a speed of:

Accepted Answer

767 mph

Answer

671,000,000 mph

Answer

3,480 mph

Answer

1 mph

Question 17

Reflection is the bouncing back of a wave after it strikes a barrier.  A reflected wave is called a(n):

Accepted Answer

echo

Answer

echolocation

Answer

refraction

Answer

sound wave

Question 18

A very quiet sound would have a (n):

Accepted Answer

low amplitude

Answer

high frequency

Answer

low frequency

Answer

high amplitude

Question 19

The use of reflected sound waves to find objects is called:

Accepted Answer

echolocation

Answer

sound waves

Answer

radar

Answer

echo

Question 20

This happens when two sound waves overlap, resulting in a combined amplitude (a louder sound):

Accepted Answer

interference

Answer

sonic boom

Answer

sonar

Answer

resonance

Question 21

The substance through which sound travels; this affects the speed at which sound travels

Accepted Answer

medium

Answer

liquid

Answer

solid

Answer

gas

Question 22

A __________ the used to measure the frequency of a sound.

Accepted Answer

hertz

Answer

wave speed

Answer

decibel

Answer

decimal

Question 23

A method that uses sound waves to find objects underwater

Accepted Answer

sonar

Answer

ultrasound

Answer

electromagnetic

Answer

doppler effect

Question 24

A unit used to measure the volume of a sound

Accepted Answer

Decibel

Answer

Hertz

Answer

Decimal

Answer

Sonar

Question 25

The smallest bone in the human body; sends vibrations to the cochlea in the inner ear.

Accepted Answer

stirrup

Answer

hamer

Answer

anvil

Answer

eardrum

Question 26

Sound waves with a frequency above the human range of hearing (20,000 Hz)

Accepted Answer

Ultrasound

Answer

Sonar

Answer

infrasound

Answer

decibel

Question 27

A human's perception of the frequency of a sound

Accepted Answer

pitch

Answer

loudness

Answer

volume

Answer

doppler

Question 28

The prefix "centi" means _____

Accepted Answer

1 hundredth 1/100

Answer

100

Answer

1000

Answer

1 thousandth 1/1000

Question 29

A ball rolling down a hill is an example of

Accepted Answer

Kinetic Energy

Answer

Potential Energy

Answer

Solar Energy

Answer

Electrical Energy

Question 30

The part of the ear that contains the cochlea and Eustachian tube.

Accepted Answer

Inner Ear

Answer

Outer Ear

Answer

Middle Ear

Answer

Brain

Question 31

The part of the ear that contains the hammer, anvil, and stirrup.

Accepted Answer

Middle Ear

Answer

Outer Ear

Answer

Outer Ear

Answer

Brain

Question 32

The part of the ear that contains the pinna and the ear canal

Accepted Answer

Outer Ear

Answer

Middle Ear

Answer

Inner Ear

Answer

Brain

Question 33

The part of the ear that send signals to the brain to interpret and make meaning of.

Accepted Answer

Auditory nerve

Answer

Eustachian tube

Answer

Optic Nerve

Answer

Brain stem

Question 34

The negatively charged parts of an atom

Accepted Answer

Electron

Answer

Proton

Answer

Neutron

Answer

Nucleus

Question 35

The metric unit for measuring mass is the

Accepted Answer

gram

Answer

liter

Answer

meter

Answer

kilogram

Sound

35 questions

Sound travels as

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

Which part of the ear acts as a funnel for sound waves?

As air particles are pushed together, they create a region of higher density and pressure in a longitudinal wave. These areas are called:

As air particles become less crowded a region of lower density and pressure is created. This part of a longitudinal wave is called a:

Sound travels at different speeds through different mediums. Through which medium would your voice travel the fastest?

This part of the ear is vibrated by sound waves. It is a lightly stretched membrane that is the entrance to the middle ear.

This fluid-filled snail-shaped sack in the inner ear contains hair cells attached to nerves which transmit sound information to the brain.

Your __________ vibrate when you talk

An oscilloscope shows sound ________

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