SOUND

SOUND

100

Sound travels fastest through

________________________.

Solids 

200

What causes a sound?

Vibrations 

300

Can sound travel through empty space?

NO

400

What is the substance (solid, liquid, or gas) that a sound travels through called?

Medium 

Parts of a Sound Wave

100

The highest points of the wave above the line of origin.

Crest

200

The distance from one crest to another.

Wavelength

300

The distance from the line of origin to the waves crest shows the

___________________________.

Amplitude 

400

The line that runs directly in between the sound wave running horizontally is called the

__________________________.

Line of Origin

OTHER

100

When a sound wave reflects off an object you will hear an

___________________________.

Echo

200

A _______________________

is made when air particles are bunched together because of a sound wave.

Compression

300

TRUE OR FALSE: your distance from a sound source effects how loud it seems.

TRUE

400

TRUE OR FALSE: turning up the volume on a radio affects the pitch.

FALSE

Pitch and Volume

100

___________________________

is how HIGH or LOW a sound is.

Pitch

200

___________________________

is how loud or soft a sound is.

Volume 

300

To measure volume you should look at a sound waves

__________________________.

Amplitude 

400

A guitar makes sound waves with little energy and are spread out. What sound will you hear?

Quiet and Low 

500

To determine a sound waves pitch, you should look at

__________________________.

Wavelength