Question 1

Sound travels fastest through which of the following mediums?

Accepted Answer

Solid

Answer

Gas

Answer

Liquid

Answer

Air

Question 2

A sound wave's amplitude determines:

Accepted Answer

How loud the sound is.

Answer

How low the pitch of a sound is.

Answer

How high the pitch of a sound is.

Answer

How fast the sound is.

Question 3

A sound wave's frequency determines

Accepted Answer

the pitch of the sound.

Answer

the speed of the sound.

Answer

the volume of a sound.

Answer

the intensity of the sound.

Question 4

Joey has a loose rubber band. When he stretches the rubber band tight, it vibrates quickly.  What type of sound will it make?

Accepted Answer

A high frequency or high pitch sound.

Answer

A quiet sound or less amplitude.

Answer

A low frequency or low pitch sound.

Answer

A loud sound with more amplitude.

Question 5

The picture above shows a boy yelling towards a brick wall.  What could make the sound reflect and make a better echo?

Accepted Answer

A wall with a smooth hard surface

Answer

A wall that is softer

Answer

A wall with a rougher surface

Answer

A wall covered with moss

Question 6

The speed of sound is approximately 750 miles per hour through air.   For an echo to be heard the sound must

Accepted Answer

reflect

Answer

pass through a surface

Answer

be loud

Answer

absorb

Question 7

The greater the mass of an object, the...

Accepted Answer

slower it vibrates and the lower the pitch

Answer

the faster it vibrates and the higher the pitch

Answer

the faster it vibrates and the lower the pitch

Answer

the slower it vibrates and the higher the pitch

Question 8

Which medium would you expect sound to travel the fastest through?

Accepted Answer

iron

Answer

styrofoam

Answer

oxygen

Answer

water

Question 9

Men usually have lower pitched voices than women because...

Accepted Answer

men have thicker vocal chords

Answer

men have thinner vocal chords

Answer

women's vocal chords are slower

Answer

men's vocal chords are faster

Question 10

The volume of a drum should be measured in ...

Accepted Answer

Decibels (dB)

Answer

Cycles (cyl)

Answer

Frequency (Fr)

Answer

Hertz (Hz)

Question 11

The recess teacher blows her whistle really loud.  The sound from the whistle will

Accepted Answer

travel outward in all directions

Answer

travel frontwards and backwards

Answer

travel in all directions but not up or down.

Answer

travel forward, towards the students on the playgound

Question 12

Sound travels through objects faster if the particles in the object are...

Accepted Answer

more dense (closer together)

Answer

less dense (further apart)

Question 13

A sound will travel in all directions until it reaches a different medium.   When the sound reaches a new medium it could

Accepted Answer

all of the above

Answer

pass through the new medium

Answer

reflect off the new medium

Answer

become absorbed by the new medium

Question 14

True or False?   Humans can only hear sound within a certain range of pitches

Accepted Answer

True

Answer

False

Question 15

An asteroid hits the moon and makes a big crater.  What can be said about the impact?

Accepted Answer

there is no sound because sound needs a medium to travel through

Answer

the sound cannot be heard because human ears need oxygen to hear

Answer

the sound is louder than on Earth

Answer

the sound is quieter than on Earth

Question 16

A tuning fork is struck against a students shoe.  What would cause a tuning fork to have a higher pitch than another?

Accepted Answer

it is smaller

Answer

it is struck harder

Answer

it is longer

Answer

it is struck softer

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