WorksheetsSound Unit
Total questions: 19
Worksheet time: 10mins
Name
Class
Date
1.
Sound travels FASTEST through which of these materials?
a)
Air
b)
Empty space
c)
Metal
d)
Water
2.
Sound is caused by?
a)
force
b)
vibrations
c)
instruments
3.
What is frequency?
a)
the number of vibrations per second
b)
how high or low a sound is
c)
the loudness or softness of a sound
d)
the back and forth movement of matter
4.
What is vibration?
a)
how loud a sound is
b)
the back and forth movement of matter
c)
how high or low a sound is
d)
the loudness or softness of a sound
5.
What causes an echo?
a)
sound waves bouncing off large, hard surfaces
b)
sound waves bouncing off carpet
c)
sound waves bouncing off tables and chairs
d)
you repeating yourself
6.
Without matter, sound waves could not travel.
a)
True
b)
False
7.
People cannot here sounds with a frequency lees than ______ Hz.
a)
2000
b)
200
c)
20
d)
40
8.
_____ is a method of locating things underwater using echolocation.
a)
trees
b)
solar
c)
sonar
d)
turpentine
9.
Bats use ________ TO LOCATE MOSQUITOES IN THE AIR.
a)
solar
b)
ecology
c)
echolocation
d)
evolution
10.
The height of the sound wave is also known as the
a)
crest
b)
wavelength
c)
amplitude
d)
period
11.
Sound can be painful at what level?
a)
above 130 Hz
b)
10-20 Hz
c)
20-30 Hz
d)
40-50 Hz
12.
how high or low a sound seems
a)
pitch
b)
patch
c)
pihment
d)
scream
13.
Which travels faster, light or sound?
a)
Light
b)
Sound
14.
_____________________________ is an area of particles that moves outward in all directions from a vibrating object.
a)
frequency
b)
sound wave
c)
pitch
d)
intensity
15.
Sound will travel slowest through which of the following forms of matter?
a)
milk
b)
desk
c)
air
d)
door
16.
Why is sound able to travel faster through a solid than a gas?
a)
Gas molecules are packed tightly.
b)
Sound does not travel faster through a solid than a gas.
c)
Solid molecules are packed tightly.
d)
Gas molecules move slowly.
17.
A note is played on a guitar. Next, a lower note is played on the guitar. Which of these statements describes the lower note?
a)
Both notes vibrated at the same speed.
b)
The second note vibrated slower.
c)
The second note vibrates at a higher frequency.
d)
The second note vibrated faster.
18.
What happens to the sound an object makes when the speed of vibrations decreases (slow down)?
a)
its volume will increase
b)
its pitch rises
c)
its pitch becomes lower
d)
its volume decreases
19.
Which is the approximate range of human hearing?
a)
5-5,000 Hz
b)
500-20,000 Hz
c)
20-20,000 Hz
d)
20-5,000 Hz
100 %
