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Electromagnetic Spectrum

Total questions: 40

Worksheet time: 29mins

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.
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
3.
Which has the LONGEST wavelength and, therefore, the lowest frequency/energy
a)
Gamma Rays
b)
Radio Waves
c)
Visible Light
d)
Infrared rays
4.
Which has the SHORTEST wavelength and, therefore, the highest frequency/most energy
a)
Radio waves
b)
Ultraviolet Rays
c)
Gamma Rays
d)
X-rays
5.
Which section of the spectrum is the ONLY one we can see?
a)
X-rays
b)
Visible Light
c)
Gamma Rays
d)
Ultraviolet Rays
6.
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
7.
Which of the following electromagnetic waves is given off as heat? 
a)
Radio Waves
b)
Infrared Rays
c)
Visible Light
d)
Gamma Rays
8.

How are electromagnetic waves different from other waves?

a)

They all have very short wavelengths

b)

They transmit matter and not energy

c)

They can travel through a vacuum (like space)

d)

They do not transmit light

9.

The distance between two crests of a wave is called:

a)

frequency

b)

amplitude

c)

wavelength

d)

hertz

10.
All electromagnetic waves have the same...
a)
frequency
b)
speed
c)
wavelength
d)
energy
11.

How much of the electromagnetic spectrum is visible light?

a)

All of it (100%)

b)

None of it (0%)

c)

Most of it (75%)

d)

Only a small part (10%)

12.

The measured height of the wave is known as the ___________.

a)

amplitude

b)

crest

c)

trough

d)

wavelength

13.
EM waves are always____________
a)
Transverse
b)
Compression
c)
Longitudinal
d)
Seismic
14.
Cell phones use_____________waves.
a)
Microwaves
b)
Gamma
c)
XRays
d)
Radio 
15.
The acronym (letters) used to remember visible light is____________
a)
KTPERRY
b)
ROYGBIV
c)
DOGPOUND
d)
ROMERO
16.
The orange line is measuring the _________________________.
a)
wavelength
b)
amplitude
c)
crest
d)
trough
17.
The illustration shows a light ray striking an object.
In the illustration, the light ray striking the object is-
a)
absorbed
b)
stopped
c)
reflected
d)
refracted
18.
A student placed a pencil in a cup of water.  The pencil appears broken because light-
a)
always travels in a straight line
b)
bends when it passes through water
c)
makes the water in the glass evaporate
d)
reflects the pencil on the water's surface
19.
The bouncing off of light rays from the surface of an object such as a mirror or other shiny surface is called:
a)
mirror
b)
laser
c)
reflection
d)
refraction
20.
Light travels in ___________ lines
a)
wavy
b)
bent
c)
straight
d)
backwards
21.

If you see a green leaf on a tree, that means...

a)

Green is the color being reflected off the leaf.

b)

Green is the color being absorbed by the leaf.

c)

All the colors are being reflected off the leaf.

d)

All the colors are being absorbed by the leaf.

22.
Material that allows light to pass through allowing you to see "clearly" to the other side
a)
opaque
b)
translucent
c)
transparent
23.
Light is a form of 
a)
energy
b)
radiation
c)
reflection
24.
What does refract mean?
a)
To shrink
b)
To bend
c)
To widen
d)
To enlarge
25.
What is the name of the energy that comes from the sun?
a)
Electromagnetic Radiation
b)
Electromagnetic Conduction
c)
Electromagnetic Convection
d)
Magnelectric Radiation
26.
Cancer can be treated with_______________waves.
a)
Penicillin
b)
Radio
c)
Infrared
d)
Gamma
27.

How does light travel?

a)

In zigzags

b)

In waves

c)

In circles

d)

all over the place

28.
Absorb or Reflect all colors?
a)
Absorb
b)
Reflect
29.
Absorb or Reflect all colors?
a)
Absorb
b)
Reflect
30.
Does the rose reflect or absorb red?
a)
Reflect
b)
Absorb
31.
Does the frog reflect or absorb green?
a)
Reflect
b)
Absorb
32.
Light bending as it passes through a rain drop is an example of...
a)
Refraction
b)
Reflection
33.
_____?______ materials do not allow light waves to pass through.
a)
Opaque
b)
Transparent
c)
Translucent
34.
_____?_____ materials allow light waves to pass through easily.
a)
Opaque
b)
Transparent
c)
Translucent
35.

Is this lamp shade transparent, translucent, or opaque?

a)

transparent

b)

translucent

c)

opaque

36.
______waves can help sterilize medical equipment by killing bacteria. 
a)
Infrared
b)
Visible
c)
Gamma
d)
Ultraviolet
37.
EM waves________________travel through space.
a)
Never
b)
Cannot
c)
Can
d)
Wish they could
38.
______ waves are vibrations in electrical and magnetic fields. 
a)
Sound
b)
Mechanical
c)
Electromagnetic
d)
Compression
39.

EM waves ________ a medium (for instance a solid, liquid, or gas) to travel through.

a)

require

b)

do not require

c)

can have

d)

sometimes have

40.
_______ carry the greatest amount of energy. 
a)
x-rays
b)
gamma rays
c)
infrared rays
d)
visible light