Unit 06: Sound Practice

Front

What is sound?

Back

Sound is a form of mechanical energy produced and transmitted by vibrating matter.

Front

What happens to sound when it travels from a solid to a gas?

Back

Sound slows down when it travels from a solid to a gas.

Front

What is compression in sound waves?

Back

Compression is the part of a sound wave where particles are pressed together.

Front

What are rarefactions in sound waves?

Back

Rarefactions are the parts of a sound wave where particles are spread out.

Front

What is a wave?

Back

A wave is a disturbance that travels through a medium, transferring energy from one point to another.

Front

What medium does sound travel fastest through?

Back

Sound travels fastest through solids.

Front

What is the relationship between sound and energy?

Back

Sound is a form of energy that travels through the air.

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 volume?

Back

Volume is the loudness or softness of a sound, determined by the amplitude of the sound wave.

Front

What is frequency?

Back

Frequency is the number of waves that pass a point in one second, measured in Hertz (Hz).