Waves and Sounds

Sound is able to travel faster in solids than in air because the molecules in a solid are

• closer together than air molecules
• more easily moved than air molecules
• moving faster than air moleculesmoving faster than air molecules
• larger than air molecules

Tags

NGSS.MS-PS4-2

Bruce plays his violin every Friday night for the symphony. Before he plays, he plucks each string to see if his violin is in tune. Which is most responsible for the generation of sound waves from his violin?

• material of the violin
• vibrations of the string
• movement of the violin
• composition of the string

Tags

NGSS.MS-PS4-1

The loudness of sound can be changed by

• decreasing pitch
• increasing the frequency
• increasing the amplitude
• decreasing the wavelength

Tags

NGSS.MS-PS4-1

What is the highest point of a wave?

• Trough
• Wavelength
• Amplitude
• Crest

Tags

NGSS.MS-PS4-1

A __ wave moves the particles perpendicular to the motion of the wave. 

• Surface
• Longitudinal
• Transverse
• Slinky

Sound travels in which type of wave? 

• Transverse
• Surface
• Longitudinal
• Compressional

Waves are created when a source of energy causes a __. 

• medium to vibrate
• body of water to move
• medium to fall
• body of water to turn

Tags

NGSS.MS-PS4-1

What property of this wave is represented by the letter "A"

• amplitude
• crest
• trough
• wavelength

Tags

NGSS.MS-PS4-1

What property of the wave is represented by the letter "B"?

• amplitude
• crest
• trough
• wavelength

Tags

NGSS.MS-PS4-1

The Doppler Effect is possible in...

• Only sound waves.
• Only light waves.
• All kinds of waves.
• Only pressure waves.

Tags

NGSS.HS-PS4-1