Sound

Front

What is required for sound energy to move through?

Back

Medium

Front

What frequency is considered ultrasonic?

Back

25,000 Hz

Front

What are the two parts of a longitudinal wave?

Back

Compressions and Rarefactions

Front

Why can't you hear in space?

Back

There is no medium in space for sound to travel through.

Front

Which material does sound travel through the fastest?

Back

Steel

Front

What is sound?

Back

Sound is a type of energy made by vibrations that travel through a medium.

Front

What is a medium in the context of sound?

Back

A medium is a substance (solid, liquid, or gas) through which sound waves can travel.

Front

What is the speed of sound in air at room temperature?

Back

Approximately 343 meters per second.

Front

What is pitch?

Back

Pitch is how high or low a sound is, determined by the frequency of the sound wave.

Front

What is loudness?

Back

Loudness is the perception of the intensity of a sound, often measured in decibels.