Physics Girl Resonance and Sound Quiz

What unexpected effect did the sound waves have on the flames?

• The flames changed color.

• The flames flattened out and became horizontal.

• The flames extinguished immediately.

• The flames increased in height.

What is resonance?

• A phenomenon where objects emit light.

• A phenomenon where objects vibrate at their natural frequency.

• A phenomenon where objects change color.

• A phenomenon where objects become invisible.

Why was it difficult to make the human body resonate?

• The human body has no resonant frequency.

• The resonant frequency of the human body is too high.

• The resonant frequency of the human body is below the level of human hearing.

• The human body is too rigid to resonate.

What is the lower limit of human hearing?

• 65 hertz

• 5 hertz

• 15 hertz

• 20 hertz

What frequency range can typically be felt in the chest?

• 5 to 10 hertz

• 15 to 20 hertz

• 25 to 50 hertz

• 60 to 80 hertz

What object in the club had the best resonance?

• The speakers

• The trashcan

• The ceiling

• The stage

What is Oobleck?

• A type of sound wave

• A non-Newtonian fluid

• A type of speaker

• A musical instrument

What was the purpose of the experiment with the googly eyes?

• To test the sound quality of the speakers

• To observe resonance effects on small objects

• To measure the volume of the music

• To create a visual art piece

What show is mentioned at the end of the video?

• Science Tunes

• Sound Field

• Physics World

• Music Lab

What service supported the PBS digital studios?

• Hulu

• Amazon Prime

• CuriosityStream

• Netflix