M-Unit 8.2 Sound Waves Test- End of Unit

First and Last Name Section

Frequency is defined as...

• The distance between two identical positions on two consecutive waves.
• The time interval between two consecutive waves.
• Total number of waves that pass a fixed place in a given amount of time.

How does the force affect the sound source?

• The more force applied to the sound source, the softer the sound.
• The more force applied to the sound source, the louder the sound.

If I use a mallet to hit a drum, how would the way I hit it change the sound?

• If I hit the drum softly, there would be less vibrations and a lower sound.
• How I hit the drum would not matter, it would produce the same loudness.
• How I hit the drum would not impact the sound it makes.

The pitch of a sound is most closely related to the

• medium through which the sound travels
• distance from the sound source
• frequency of the sound waves

How loud or soft a sound is, is related to the ________________ of the wave.

• amplitude
• frequency
• rest position

Which BEST describes this sound?

• Starts low pitch and quiet and gets higher pitch
• Starts high pitch and quiet and get lower pitch and loud
• Starts low pitch and quiet and gets higher pitch and loud

A back-and-forth motion causing particles to move close together generates a ________.

• vibration
• mess
• big problem

Which of the following is a way you can damage your hearing?

• listening to extremely loud music
• Listening to music at a low volume
• You can't damage your hearing.

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

• There would be no sound
• The sound would be softer.
• Sound wouldn't change