Sound quiz 23-24

What do we call the disturbances created by vibrating objects?

• Sound waves

• Light waves

• Heat waves

• Magnetic waves

Tags

NGSS.HS-PS4-1

How do vibrating objects create sound?

• By moving in a circular motion

• By moving back and forth, creating disturbances in a medium like air

• By staying still and generating energy

• By absorbing vibrations from the environment

Tags

NGSS.HS-PS4-1

In what form does sound move?

• As a transverse wave

• As a longitudinal wave

• As a static wave

• As an electromagnetic wave

How are higher frequency sounds perceived?

• As lower pitches

• As higher pitches

• As louder sounds

• As softer sounds

Tags

NGSS.HS-PS4-1

What is the relationship between the length of an object and the pitch of the sound it produces?

• Longer objects produce higher pitch sounds

• Shorter objects produce lower pitch sounds

• Longer objects produce lower pitch sounds

• There is no relationship between object length and pitch

What is the range of sound frequencies that humans can typically hear?

• 0 Hz to 20 Hz

• 20 Hz to 20 kHz

• 20 kHz to 20 MHz

• 20 Hz to 20 MHz

Tags

NGSS.HS-PS4-1

What term is used to describe sounds with a frequency too low for humans to hear?

• Ultrasonic

• Audible

• Infrasonic

• Supersonic

What term is used to describe sounds with a frequency too high for humans to hear?

• Infrasonic

• Audible

• Ultrasonic

• Subsonic

What is amplitude perceived as by the human ear?

• Frequency

• Wavelength

• Volume/Intensity

• Speed of sound

What is the SI unit for measuring how loud a sound is?

• Hertz (Hz)

• Newton (N)

• Decibel (dB)

• Joule (J)