Waves

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?

• composition of the string

• movement of the violin

• vibrations of the string

• material of the violin

Tags

NGSS.MS-PS4-1

During a 4th of July celebration, scientists were measuring sound waves as the fireworks exploded. Which illustration indicates that the fireworks were becoming louder?

• 
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• 
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Tags

NGSS.MS-PS4-1

This illustration shows a sound wave traveling from a tuning fork through a medium.

• X represents the rarefactions; Y represents the wavelength

• X represents the compressions; Y represents the wavelength

• X represents the rarefactions; Y represents the compressions

• X represents the compressions; Y represents the rarefactions

The visible light spectrum can be subdivided according to

• a type of energy

• a range of colors

• the sizes of particles

• the types of waves

Tags

NGSS.MS-PS4-1

Elizabeth uses a specific type of whistle to call her dogs. The noise made by the whistle is heard by the dogs but cannot be heard by the human ear. Which statement BEST describes why humans cannot hear the sound made by the whistle?

• the wavelength of the sound is too long

• the frequency of the sound is too high

• the amplitude is too low

• the speed of the sound is too fast

Amber studied a graph of a mechanical wave.

If Amber wanted to find out the wavelength, from which points should she measure?

• 1 to 3

• 1 to 5

• 2 to 4

• 3 to 5

Tags

NGSS.MS-PS4-1

A longitudinal wave, such as a sound wave, can travel through

• gas, and a vacuum only.

• gas, liquids, and solids.

• liquids only.

• solids only.

Tags

NGSS.MS-PS4-2

The MOST likely reason sound travels faster in salt water than in fresh water is that salt water

• reflects sound better.

• has a higher density.

• absorbs heat faster.

• is more elastic.

Tags

NGSS.MS-PS4-2

A student tossed four different stones into a pond and photographed the wave produced by each stone.

Based on the pictures, which stone produced the wave with the GREATEST wavelength?

• Stone 1

• Stone 2

• Stone 3

• Stone 4

Tags

NGSS.MS-PS4-1

Sound waves travel the fastest through dense materials. Through which of these would sound waves travel the SLOWEST?

• water

• metal

• glass

• air