Sound Quiz L4

What causes sounds?

• Light

• Vibration

• Heat

• Electricity

How does sound travel?

• As particles

• As waves

• As light

• As heat

Through which medium can sound not travel?

• Water

• Air

• Vacuum

• Metal

What is the relationship between frequency and pitch?

• High frequency means low pitch

• High frequency means high pitch

• Frequency does not affect pitch

• Low frequency means high pitch

What does amplitude relate to in sound?

• Pitch

• Speed

• Loudness

• Frequency

What happens to the pitch of sound when the size of an object increases?

• Pitch increases

• Pitch decreases

• Pitch remains the same

• Pitch becomes unpredictable

Frequency is measured in

• volts (V)
• decibels (dB)
• hertz (Hz)
• watts (W)

Which tuning fork produces the lowest pitch sound?

• The tuning fork with the shortest prong.
• The tuning fork made of plastic.
• The tuning fork with a thicker base.
• The tuning fork with the longest prong.

What is the definition of frequency in the context of sound waves?

• Frequency is the distance between two sound waves.
• Frequency refers to the speed of sound in air.
• Frequency is the number of cycles of a sound wave per second, measured in hertz (Hz).
• Frequency is the loudness of a sound wave.

How is amplitude represented on a sound wave diagram?

• The height of the wave from the rest position

• The length of the wave

• The distance between waves

• The height from the top peak to the bottom peak of the wave