Sound I
Sound II
Sound III
Sound IV
Instruments
100

The area of a sound wave where the particles are compressed very close together.

What is compression.

100
How high or low a sound is.
What is pitch.
100
Material through which sound travels.
What is medium.
100

How sounds are made.

What is objects vibrating.

100

What kind of movements do musical instruments make to create sound?

What is vibrate?

200
The area of a sound wave where the particles are spaced far apart.

What is rarefaction.

200

Sound travels fastest through a __________(gas, liquid, solid).

What is solid.

200

Number of wavelengths that pass each second.

What is frequency.

200

The higher the frequency of a soundwave, the higher the _________________________.

What is pitch.

200

String instruments like guitars or banjos produce sound by .....

Plucking the strings.

300

The distance from one crest to another crest in a sound wave.

What is a wavelength?

300

How a sound wave moves when it hits flat, firm surfaces, much of it is _______.

What is reflected.

300
Sound cannot travel through a _________, which is a region of space that contains no matter.
What is vacuum.
300
Height of a sound wave.
What is amplitude.
300

How do woodwind instruments like clarinets, recorders, or saxophones produce sound?

They produce sound by blowing air into or across the mouthpiece.

400

The larger the object is the _______________ the pitch.

What is lower.

400

Sound waves are transverse or longitudinal?

What is longitudinal.

400
To increase the pitch of a musical instrument, you need to ___________ the part that vibrates.
What is shorten.
400

Sound would travel most quickly through which object: air, wood, outer space or water.

What is  wood

400

How do percussion instruments like drums or cymbals produce sound?

By striking or shaking the instrument.

500
The loudness of a sound depends on the sound waves _____________.
What is amplitude.
500
The reflection of sound waves.
What is echo.
500

A system of communication that animals use underwater.

What is echolocation?

500

The pitch of an object is determined by its....

What is frequency?

500

When sound hits soft, thick, or uneven materials, much of the sound is  ___________.

When sound hits hard, even materials, the sound is ____________.

Absorbed.

Reflected.