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WorksheetsElectromagnetism & Sound
Total questions: 22
Worksheet time: 5hrs 16mins
Name
Class
Date
1.
Sound must travel through something that's called a ____________________
a)
transformer
b)
condensor
c)
medium
d)
dissipator
2.
What is noise?
a)
Sound that is unwanted and unpleasant
b)
classical music
c)
Hip hop music
d)
Raffi singing
3.
What are the characteristics of low energy waves?
a)
Long wavelengths and low frequencies
b)
Short wavelengths and high frequencies
c)
high frequencies and long wavelengths
d)
low frequencies and short wavelengths
4.
Which question could be answered using the Scientific Method?
a)
Why does my dog like to sit on the couch?
b)
Would Mars be a fun place to live?
c)
Are butterflies happy?
d)
Do vitamins help people stay health?
5.
Which question could be answered using the Scientific Method?
a)
Why does my dog like to sit on the couch?
b)
Would Mars be a fun place to live?
c)
Are butterflies happy?
d)
Do vitamins help people stay health?
6.
Scientists use this part of the electromagnetic spectrum to diagnose broken bones
a)
Infrared waves
b)
radio waves
c)
x-rays
d)
gamma rays
7.
When you answer a call on your cellphone it was most likely transmitted by
a)
ultraviolet waves
b)
microwaves
c)
gamma rays
d)
infrared waves
8.
Sound on the moon is
a)
Louder than on earth
b)
Is quieter than on earth
c)
Can't be heard
d)
Is garbled
9.
The speed of sound is fastest through
a)
air
b)
cork
c)
brick
d)
aluminum
10.
This part of the inner ear has hair cells that vibrate and convert those vibrations to nerve impulses.
a)
tympanic membrane
b)
ear wax
c)
cochlea
d)
stirrup
11.
The change in pitch or wave frequency due to a moving object is called the
a)
Doppler Effect
b)
Monitirxator
c)
Compression
d)
Rarefaction
12.
The unit of sound intensity is
a)
hertz
b)
vibilflitzer
c)
decibel
d)
newton
13.
When we tap a tuning fork, sound is transmitted in the form of
a)
short bursts going at the speed of light
b)
a change in pitch
c)
vibrations
d)
overtones
14.
Bats locate prey by using returning sounds or vibrations called
a)
basketballs
b)
echolocation
c)
ultrasound
d)
magnetic resonance
15.
The speed of sound is faster at
a)
higher temperatures
b)
lower temperatures
c)
bright sunlight
d)
cloudy day
16.
ACOUSTICS is
a)
the beats per minute
b)
resonance
c)
imaging
d)
study of sound
17.
These rays are dangerous
a)
microwave
b)
gamma
c)
infrared
d)
ultraviolet
18.
Sound transmits...
a)
vibrations
b)
noise
c)
music
d)
energy
19.
We listened to percussion and string instruments. They both have something in common that makes sound. That is
a)
cool beans
b)
a resonator box
c)
strings
d)
mallets
20.
What is the inverse square law?
a)
Height versus length
b)
the farther you are from the speaker the less sound there is
c)
inversely squares are wrong
d)
musical beats
21.
What is frequency?
a)
beats per hour
b)
musical reverberations
c)
noise
d)
vibrations per second
22.
What makes up electromagnetism?
a)
Negative and positive poles
b)
Electric and magnetic waves
c)
Compression waves
d)
Gondola waves
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