WorksheetsSounds Waves
Total questions: 10
Worksheet time: 10mins
Name
Class
Date
1.
The trough is the
a)
highest point of a wave
b)
lowest point of a wave
c)
the height of a wave
2.
The crest is the
a)
lowest point of a wave
b)
highest point of a wave
c)
best toothpaste ever
3.
Compression is when molecules are all bunched up.
a)
true
b)
false
4.
Rarefaction is when molecules are all bunched up.
a)
true
b)
false
5.
Solids are denser than liquids
a)
true
b)
false
6.
Air is a gas.
a)
true
b)
false
7.
Sound is made when
a)
molecules move closer together
b)
molecules move away from each other
c)
something vibrates
8.
Loudness is affected by
a)
vibrations
b)
amplitude
9.
Loudness is measured in
a)
hertz
b)
decibels
c)
inches
d)
cochlea
10.
A wavelength can be measured from
a)
crest to crest
b)
trough to trough
c)
All of the above
100 %
