Waves and Sound

Sound is transmitted by _____________.

• transverse waves

• longitudinal waves

• surface waves

• electrons

Tags

NGSS.MS-PS4-2

Sound waves consist of ...

• electrons and protons

• crests and troughs

• compressions and rarefactions

• solids and gases

Sound generally moves at a greater speed through ________.

• solids

• liquids

• gases

• plasma

Tags

NGSS.MS-PS4-2

When two objects naturally vibrate at the same frequency, it strengthens the vibrations of both. This is called ___________ *Check all that apply)

• Diffraction

• Refraction

• constructive interference

• resonance

The combination of two or more wavelengths that result in a wave is called....

• resonance

• interference

• vibration

• diffraction

An example of destructive interference is __________.

• SONAR

• noise cancelling headphones

• Ultrasound

• resonance

When the source of a sound wave is moving relative to the observer, the frequency of the sound seems to change. This is called ___________.

• resonance

• SONAR

• interference

• Doppler Effect

Like light, sound waves can be reflected. Examples of this property of sound include ......... (Check all that apply.)

• SONAR

• Echolocation

• Ultrasound

• Noise-cancelling Headphones

Tags

NGSS.MS-PS4-2

When two sound waves travel in phase (compressions and rarefactions match), the sound is improved. An example is___________.

• Echolocation

• Noise-cancelling Headphones

• Ultrasound

• Constructive interference

Animals use ________ to find prey.

• SONAR

• Echolocation

• Resonance

• Vibrations

Tags

NGSS.MS-LS1-8