Sound

A student holds two vibrating objects.  Object A is vibrating faster than object B.  Which statement is true?

• A is louder than B

• B is louder than A

• A will have a higher pitch than B

• B will have a higher pitch than A

Tags

NGSS.MS-PS4-1

If the distance represented by the letter A were increased, how would it change the way the sound was heard?

• The sound would be higher. 

• The sound would be lower. 

• The sound would be softer. 

• The sound would be louder. 

Tags

NGSS.MS-PS4-1

Which part of human ear converts sound vibrations into electrical signals

• Hammer

• Stirrup

• Tympanic membrane

• Cochlea

Being able to tell different sounds apart is called

• sound amplification

• sound discrimination

• vibration

• frequency

When you make sounds by plucking a rubber band, you make the rubber band move back and forth very quickly.  This movement is called.

• loudness

• amplitude

• pitch

• vibration

Tags

NGSS.MS-PS4-1

Sound Waves Move faster in what temperature 

• Heat 

• Cold

• Doesn't Matter

• Both

Tags

NGSS.MS-PS1-4

NGSS.MS-PS4-2

Which of the following would you hear as a low pitched sound? 

• sound wave with a frequency of 50 Hz

• sound wave with frequency of 10,000 Hz

• sound wave with an intensity of 10 dB

• sound wave with an intensity of 100 dB

After the train passed, the pitch of the train whistle became lower. This change in sound would be represented by what change in the diagram above?

• The distance represented by C would increase.

• The distance represented by C would decrease.

• The distance represented by D would increase.

• The distance represented by D would decrease.

Tags

NGSS.MS-PS4-1

What is the amplitude of a wave?

• Where there is no wave movement

• The distance the wave oscillates from it's resting position

• A disturbance that transfers energy from one place to another

• The distance between two corresponding parts of a wave

Tags

NGSS.MS-PS4-1

Which wave in the diagram has the greatest frequency?

• 1

• 2

• 3

• 4

Tags

NGSS.MS-PS4-1