Pitch and Loudness

One vibration per second is how many hertz?

1 hertz.

At what level of decibels can sound damage human hearing?

120 dB

What is an example of a high pitch sound?

A songbird chirping is a sound with a high pitch. A soprano voice and a melody played on a piccolo are also examples of high-pitched sounds.

How is air a medium?

Air is a medium in which sound waves are often carried. Air surrounds us. It provides a continuous medium through which sound can be carried.

What is an example of a low pitch sound?

Examples of sounds with a low pitch include a man speaking with a deep voice or a cello playing.

What is the relationship between frequency and sound?

Frequency affects a sound's pitch.

Where did we get the name hertz from?

Heinrich Hertz.

How can sound be carried?

Sound can be carried through a single medium and can be transferred to another medium, as long as the two media are touching.

If you have a greater amplitude the louder or quieter will it be?

The greater the amplitude is, the louder the resulting sound is.

How are a sound's pitch and frequency related?

The higher the frequency is, the higher the pitch.

What is a Pitch?

The word pitch is used to describe how high or low a sound is.

What is compression?

When air molecules become packed tightly together.

Whether you pluck a string on a guitar, hit a key on the piano, blow across the top of a soda bottle, drop a book, or sing—you need what?

You need energy.

What is frequency?

frequency is how many times the sound vibrates in a certain amount of time.

Sounds below 20 hertz are called what?

infrasonic.

What would a wave with a low amplitude sound like?

it would sound quiet

What kind of waves are sound waves

longitudinal waves

Sound travels fastest in what?

steel

Sounds above 20,000 hertz are called what?

ultrasonic

What term describes how loud or soft a sound is?

volume