Unit 4 Sound Flashcard

Front

What is the role of the inner ear in hearing?

Back

The inner ear converts sound waves into electrical signals.

Front

How does a guitar string appear when it produces a louder sound?

Back

The string vibrates to a greater height.

Front

What factor most likely affects the sound of shouting in a park?

Back

Pressure.

Front

What is the best example of resonance?

Back

A guitar body vibrating from the sound of a plucked string.

Front

What are points N and M in a sound wave diagram?

Back

Compressions.

Front

What is sound?

Back

Sound is a type of energy made by vibrations.

Front

What is frequency in relation to sound?

Back

Frequency is the number of vibrations per second, measured in Hertz (Hz).

Front

What is amplitude in sound waves?

Back

Amplitude is the height of the wave, which determines the loudness of the sound.

Front

What is the difference between a crest and a trough in a sound wave?

Back

A crest is the highest point of a wave, while a trough is the lowest point.

Front

What is resonance?

Back

Resonance is the phenomenon where an object vibrates at its natural frequency due to external vibrations.