Sound Intensity and Decibels

Loudness of waves is measured in ______________.

• hertz

• decibels

• watts

• meters/second

The maximum safe level for loudness is __________.

• 0 dB

• 60 dB

• 85 dB

• 130 dB

How are loudness and intensity related?

• The greater the intensity of the sound wave, the louder the sound

• The greater the intensity, the quieter the sound

Tags

NGSS.MS-PS4-1

______________ is produced by vibrations.

• Sound

• Light

• Smell

• Feeling

Tags

NGSS.MS-PS4-1

The volume of a sound is measured in units called ________

• decibels

• liters

• sound waves

If a sound has a high amplitude then it also has a ____________!!!

• fast echo

• slow pitch

• high volume

• low volume

Tags

NGSS.MS-PS4-1

What unit is used to measure sound intensity?

• Hertz

• Decibels

• Watts

• Meters

Which of the following sound levels is considered the threshold of pain?

• 60 dB

• 85 dB

• 100 dB

• 130 dB

How does sound intensity relate to distance from the source?

• It increases with distance

• It decreases with distance

• It remains constant

• It doubles with distance

What is the typical sound intensity level of a normal conversation?

• 30 dB

• 60 dB

• 90 dB

• 120 dB