Sound Flashcard

Front

What are you doing when you're making sound?

Back

Causing air molecules to vibrate.

Front

What is compression in the context of sound?

Back

When air molecules become packed tightly together.

Front

What type of wave interaction occurs when you hear music from down the hall?

Back

Diffraction.

Front

How does frequency affect sound?

Back

Frequency affects a sound's pitch.

Front

Which of these waves has the lowest pitch? (1, 2, 3, 4)

Back

3.

Front

What is sound?

Back

Sound is a type of energy made by vibrations.

Front

What is the speed of sound in air?

Back

Approximately 343 meters per second at room temperature.

Front

What is amplitude in sound waves?

Back

Amplitude refers to the height of the wave and is related to the loudness of the sound.

Front

What is the difference between pitch and loudness?

Back

Pitch is how high or low a sound is, while loudness is how strong or weak a sound is.

Front

What is an echo?

Back

An echo is a reflection of sound that arrives at the listener after a delay.