Sound Intensity

When the car moves AWAY from you, its horn seems...

• Low pitched

• High pitched

• Normal

Tags

NGSS.MS-PS4-2

______________ is the amount of energy in a sound wave.

• Amplitude

• Echo

• Volume

• Vibration

Tags

NGSS.MS-PS4-1

When an ambulance move TOWARD you it sounds ________ pitched. 

• high

• low

• medium

Tags

NGSS.MS-PS4-1

___________ is the amount of sound energy that passes through a square meter of space in one second.

• Intensity

• Loudness

• Amplitude

• Frequency

What is the unit of sound intensity?

• Decibel

• Hertz

• Watt per square meter

• Pascal

Which of the following factors does not affect sound intensity?

• Distance from the source

• Frequency of the sound

• Medium through which sound travels

• Amplitude of the sound wave

Tags

NGSS.MS-PS4-1

Sound intensity is directly proportional to which of the following?

• Square of the amplitude

• Frequency

• Wavelength

• Speed of sound

Tags

NGSS.MS-PS4-1

If the sound intensity level increases by 10 dB, how many times does the sound intensity increase?

• 2 times

• 5 times

• 10 times

• 20 times

Tags

NGSS.MS-PS4-1

Which instrument is used to measure sound intensity?

• Barometer

• Anemometer

• Sound level meter

• Thermometer

In an experiment, if the distance from a sound source is doubled, what happens to the sound intensity?

• It doubles

• It halves

• It becomes one-fourth

• It remains the same

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2