Sound Question Preview (ID: 22139)


Chapter 4. TEACHERS: click here for quick copy question ID numbers.

The unit of frequency is measured in
a) meters per second
b) joules
c) hertz
d) newtons

The number of wavelengths that pass a given point in one second is
a) wavelength
b) frequency
c) rarefraction
d) rubberband

The distance between a point on a wave and the nearest point just like it is a
a) ripple
b) liquid
c) wave ripple
d) wavelength

When the molecules are further apart it is a
a) rarefraction
b) wavelength
c) coiled spring
d) liquid

Vibrations produce sound waves by moving
a) molecules
b) desks
c) water
d) ions

The region where molecules are closer together is a
a) wavelength
b) coiled spring
c) compression
d) solid

sound waves are produced when objects
a) move
b) wiggle
c) vibrate
d) echo

Sound travels through
a) solids only
b) liquids only
c) solids and liquids
d) solids, liquids and gases

A longitudinal wave that can travel only through matter is a
a) echo
b) sound wave
c) pitch
d) whisper

The speed of the sound waves depends on
a) the material in which it travels
b) compression
c) rarefraction
d) rubberband

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