Lesson 1 Review Quiz

Sound is a _____ or  a series  of _____ that  move  through the  air.  

• vibrations

• soundwaves

• molecules

• pressure

Anything  that  creates  the vibrations, or waves, is referred  to as the _____.

• source

• energy

• vibration

• shifter

Sound is a type of _____ that travels through the air and makes things vibrate.

• energy

• pressure

• matter

• movement

Vibration creates sound by creating _____ waves in a _____, such as air or water. (Choose multiple answers)

• pressure

• medium

• source

• disturbances

______ is the area where dense  molecules are pushed together

• Compression

• Refraction

• Vibration

• Pressure

_____  is  the  area  where   fewer  molecules  are  pulled  apart

• Compression

• Refraction

• Vibration

• Pressure

The  _____  wave is often  used  to illustrate a sound wave and its seven characteristics.

• sine

• square

• sawtooth

• triangle

Amplitude is associated with the _____  of a sound wave and is related  to volume.

• height

• width

• length

• duration

Amplitude is associated with the_____ of a sound wave and is related to volume.

• height
• width
• level
• duration

When a stereo, amp, or television’s volume is turned up or down, the _____ of the sound being projected is increased or decreased.

• amplitude
• frequency
• phase
• velocity