2.1
2.2
2.3
2.4
Definitions
100

Sound is this type of wave.

What is a mechanical wave?

100

Pitch is determined by this.

What is frequency?

100
The greater the intensity means this.

What is louder sound?

100

Sound waves can produce this.

What is music?

100

a wave that is produced by a vibrating object and travels through matter.

What is sound?

200

Sound waves vibrate these.

What are particles?

200

Human ears hear this range of pitches.

What is 20 to 20,000 hertz?

200

Amount of energy a sound wave has.

What is Intensity?

200

Can be recorded and reproduced.

What is sound?

200

Characteristic highness or lowness of a sound

What is pitch?

300

Sound does not travel through this.

What is a vacuum? (space)

300
High pitch sounds have this type of frequency.

What is high frequency?

300
Can be affected by energy of the sound, or by the distance from the sound.

What is loudness?

300

Random sound with no intended pattern.

What is noise?

300

Used to measure sound intensity.

What is a decibel?

400

These are the three bones in the ear that allow humans to hear.

What are the hammer, anvil, and stirrup?

400

Every musical instrument and human voice has its own sound quality also known as this.

What is timbre?

400

The scientific study of sound- how its produced and how its received.

What is acoustics?

400

Sending ultrasound waves and interpreting the returning sound

What is ecolocation?

400

Empty space that has no particles

what is a vacuum?

500

Humans produce sounds in this way.

What is pushing air through vocal cords?

500

Waves above 20,000 hertz.

What is ultrasound?

500

This depends on the amplitude of the sound wave.

What is intensity?

500

Instruments that use echolocation to locate objects.

What is Sonar?

500

Change in perceived pitch that occurs when the source or the receiver of the sound is moving.

What is the Doppler effect?

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