WorksheetsElectromagnetic Spectrum~4th Grade
Total questions: 40
Worksheet time: 35mins
Name
Class
Date
1.
True or false: as you move along the spectrum, left to right, the wavelengths decrease in size (get smaller)
a)
true
b)
false
2.
A wave with a large wavelength will have a ______ frequency and _____ energy
a)
high, low
b)
high, high
c)
low, high
d)
low, low
3.
Select the correct order of waves on the EMS
a)
Radio, Micro, Infra, Visible, Ultra, X-ray, Gamma
b)
Gamma, X-ray, Ultra, Vis, Infra, Micro, Radio
c)
Vis, Micro, Infra, Ultra, X-ray, Gamma, Radio
d)
Micro, Radio, Vis, Infra, Ultra, X-ray, Gamma
4.
Which has the LONGEST wavelength and, therefore, the lowest frequency/energy
a)
Gamma Rays
b)
Radio Waves
c)
Visible Light
d)
Infrared rays
5.
Which has the SHORTEST wavelength and, therefore, the highest frequency/most energy
a)
Radio waves
b)
Ultraviolet Rays
c)
Gamma Rays
d)
X-rays
6.
Which section of the spectrum is the ONLY one we can see?
a)
X-rays
b)
Visible Light
c)
Gamma Rays
d)
Ultraviolet Rays
7.
Put the visible light colors in order from longest wavelength to shortest wavelength
a)
Violet, Indigo, Blue, Green, Orange, Yellow, Red
b)
Red, Yellow, Green, Orange, Violet, Blue, Indigo
c)
Red, Orange, Yellow, Green, Blue, Indigo, Violet
8.
Which of the following electromagnetic waves is given off as heat?
a)
Radio Waves
b)
Infrared Rays
c)
Visible Light
d)
Gamma Rays
9.
Which of the following electromagnetic waves has the lowest energy?
a)
gamma ray
b)
infrared wave
c)
visible light wave
d)
microwave
10.
As the frequency of an electromagnetic wave increases, the amount of energy in that wave...
a)
increases.
b)
decreases.
c)
stays the same.
11.
Which color has the least amount of energy?
a)
red
b)
orange
c)
green
d)
blue
12.
Which of the following has the longest wavelength?
a)
microwaves
b)
visible light
c)
x-rays
d)
infrared waves
13.
High frequency waves have _________ wavelengths.
a)
varying
b)
long
c)
the same
d)
short
14.
The distance between two crests or two troughs of a wave is called:
a)
frequency
b)
amplitud
c)
wavelength
d)
hertz
15.
All electromagnetic waves have the same...
a)
frequency
b)
speed
c)
wavelength
d)
energy
16.
How much of the electromagnetic spectrum is visible?
a)
All of it
b)
None of it
c)
Most of it
d)
Only a small part
17.
The height of the wave is known as the _____________.
a)
amplitude
b)
crest
c)
trough
d)
wavelength
18.
Which of the following happens when light hits a new medium and bends as it passes through it?
a)
reflection
b)
refraction
c)
electromagnetic
d)
spectrum
19.
Which of the following happens when light bounces off a surface?
a)
reflection
b)
refraction
c)
electromagnetic
d)
spectrum
20.
Define reflection
a)
the bouncing back of light waves
b)
the echo of light
c)
the bending of light waves
d)
the spectrum of light
21.
Define refraction
a)
the bouncing back of light
b)
the echo of light
c)
the bending of light waves
d)
the spectrum of light
22.
Which part of the electromagnetic spectrum has high enough energy to cause damage to eyes and skin, and sometimes even cancer?
a)
Infrared Rays
b)
Radio Waves
c)
Microwaves
d)
Ultraviolet Rays
23.
Which has the SHORTEST wavelength and, therefore, the highest frequency/most energy
a)
Radio waves
b)
Ultraviolet Rays
c)
Gamma Rays
d)
X-rays
24.
The EM spectrum increases from left to right in________________.
a)
Wavelength
b)
Frequency
c)
Amplitude
d)
Height
25.
______waves can help sterilize medical equipment by killing bacteria.
a)
Infrared
b)
Visible
c)
Gamma
d)
Ultraviolet
26.
Cell phones use_____________waves.
a)
Microwaves
b)
Gamma
c)
XRays
d)
Radio
27.
Cancer can be treated with_______________waves.
a)
Penicillin
b)
Radio
c)
Infrared
d)
Gamma
28.
EM waves________________travel through space.
a)
Never
b)
Cannot
c)
Can
d)
Wish they could
29.
The acronym (letters) used to remember visible light is____________
a)
KTPERRY
b)
ROYGBIV
c)
DOGPOUND
d)
ROMERO
30.
If the wavelength of an electromagnetic wave is longer, what is true about the energy?
a)
Energy is higher.
b)
Energy is lower.
c)
Energy is not dependent on wavelength.
31.
Which of the following electromagnetic waves has the lowest energy?
a)
infrared light
b)
visible light
c)
ultraviolet light
d)
x-rays
32.
Infrared waves are used in__________________.
a)
Bath tubs
b)
Microwaves
c)
Remote Controls
d)
Tanning
33.
What is a use for ultraviolet light?
a)
tanning bed
b)
seeing things
c)
microwaving food
d)
transmitting television shows
34.
Which is NOT a colour in the 7 colour spectrum?
a)
Indigo
b)
Orange
c)
Brown
d)
Blue
35.
All electromagnetic waves have _________ wavelengths and ________ frequencies.
a)
different, similar
b)
different, different
c)
similar, similar
d)
similar, different
36.
EM waves with wavelengths between those of infrared and ultraviolet waves are _______.
a)
microwaves
b)
visible light
c)
x-rays
d)
gamma rays
37.
EM waves ________ a medium.
a)
require
b)
don't require
c)
can have
d)
sometimes have
38.
This type of EM wave shows a break in bones.
a)
gamma ray
b)
x-ray
c)
brokenometer
d)
radio wave
39.
Which electromagnetic waves are used in ovens and cell phone communications?
a)
Infrared rays
b)
ultraviolet rays
c)
microwaves
40.
In the EM spectrum, ________ is shorter on the right than on the left.
a)
Frequency
b)
Hertz
c)
Amplitude
d)
Wavelength
100 %
