Sound energy

Front

What are the characteristics of sound?

Back

Loudness, pitch, and frequency.

Front

Which of the following is NOT a source of sound energy?

Back

Lanterns.

Front

Identify something that is NOT a sound source.

Back

Flame.

Front

What type of instruments create sound when a hammer strikes an object?

Back

Percussive instruments.

Front

What type of instruments resonate a column of air to create strong vibrations?

Back

Brass and wind instruments.

Front

Define loudness in the context of sound energy.

Back

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

Front

What is pitch in sound energy?

Back

Pitch is the perceived frequency of a sound, determining how high or low it sounds.

Front

Explain frequency in relation to sound.

Back

Frequency is the number of vibrations or cycles per second of a sound wave, measured in Hertz (Hz).

Front

What is the role of a vibrating object in sound production?

Back

A vibrating object creates sound waves that travel through a medium, producing sound.

Front

How do percussive instruments produce sound?

Back

Percussive instruments produce sound by being struck, shaken, or scraped, causing vibrations.