Sound Wave, Frequency, Pitch, Decibel

Which property of these waves differs?

• Frequency
• Wavelength
• Amplitude
• Pitch

Tags

NGSS.MS-PS4-1

Which wave is classified as a mechanical wave?

• microwave

• infrared wave

• sound wave

• radio wave

If the wavelength of a sound wave is increased, what would happen to the sound made by this wave?

• It would have a lower pitch

• It would get softer

• It would get louder

• It would have a higher pitch

If the wavelength of a sound wave is decreased, what would happen to the sound made by this wave?

• It would have a lower pitch

• It would get softer

• It would get louder

• It would have a higher pitch

If the amplitude of a sound wave is decreased, what would happen to the sound made by this wave?

• It would have a lower pitch

• It would get softer

• It would get louder

• It would have a higher pitch

Tags

NGSS.MS-PS4-1

If the amplitude of a sound wave is increased, what would happen to the sound made by this wave?

• It would have a lower pitch

• It would get softer

• It would get louder

• It would have a higher pitch

Tags

NGSS.MS-PS4-1

As the wavelength of sound increases, the frequency ___.

• increases

• decreases

• stays the same

• is higher pitched

The number of waves that occur in a time interval is referred to as ___.

• frequency

• compression

• amplitude

• speed

The spread apart regions of particles in a sound wave are called ____.

• rarefactions

• compressions

• frequencies

• wavelengths

The pressed together regions of particles in a sound wave are called ____.

• rarefactions

• compressions

• frequencies

• wavelengths