Sound Waves Instruction and Practice #1 Quiz Review

The formation and transmission of a sound wave is best described as:

• The movement of particles in a medium creating compressions and rarefactions.

• The transfer of heat energy through a vacuum.

• The flow of electric current through a conductor.

• The reflection of light from a surface.

Tags

NGSS.MS-PS4-2

Sound waves travel fastest through which medium: solid, liquid or gas?

• Solid

• Liquid

• Gas

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NGSS.MS-PS4-2

As a sound wave travels through a medium, does it increase or decrease in energy over time?

• It increases in energy over time.

• It decreases in energy over time.

• It remains the same in energy over time.

• It fluctuates randomly in energy over time.

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NGSS.MS-PS4-1

Sound will travel slowest through which medium?

• Water at 30 degrees Celsius

• Water at 50 degrees Celsius

• Ice at 0 degrees Celsius

• Ice at -15 degrees Celsius

Tags

NGSS.MS-PS4-2

What two factors affect the speed of a sound wave as it travels through a medium?

• Temperature and density

• Color and shape

• Volume and pitch

• Frequency and amplitude

6. A chorus director tells students to play a pitch louder. How will the sound wave change when the students sing the same pitch louder?

• The frequency of the sound wave increases.

• The amplitude of the sound wave increases.

• The wavelength of the sound wave decreases.

• The speed of the sound wave decreases.

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NGSS.MS-PS4-1

A sound wave travels through air. In which regions are air molecules the least dense?

• At compressions

• At rarefactions

• At both compressions and rarefactions equally

• At the source of the sound

A sound wave is _____________.

• longitudinal

• transverse

• circular

• stationary

Tags

NGSS.MS-PS4-1

9. A sound wave is _____________.

• mechanical

• electrical

• chemical

• optical

Tags

NGSS.MS-PS4-1

The name of the perceived change in a sound wave’s frequency due to motion between the observer and the sound source is:

• Doppler Effect

• Resonance

• Echo

• Refraction