WorksheetsElectromagnetic Radiation
Total questions: 69
Worksheet time: 1hrs 18mins
Name
Class
Date
1.
Cell phones use_____________waves.
a)
Microwaves
b)
Gamma
c)
XRays
d)
Infrared
2.
________________ are waves used by cops to test the speed of your car with RADAR.
a)
Ultraviolet
b)
Infrared
c)
Radio
d)
Microwaves
3.
EM waves________________travel through space.
a)
Never
b)
Cannot
c)
Can
d)
Wish they could
4.
_____ have the longest wavelengths and lowest frequencies of all electromagnetic waves.
a)
microwaves
b)
radio waves
c)
gamma rays
d)
ultraviolet
5.
_______ carry the greatest amount of energy.
a)
x-rays
b)
gamma rays
c)
infrared rays
d)
visible light
6.
What are the hazards associated with radio waves
a)
None
b)
Harmful to humans
c)
Burn skin
d)
Cause cancer
7.
The _______________ determines the color of visible light.
a)
wavelength
b)
speed
c)
amplitude
d)
light
8.
High frequency waves have _________ wavelengths.
a)
varying
b)
long
c)
the same
d)
short
9.
All electromagnetic waves have the same...
a)
frequency
b)
speed
c)
wavelength
d)
energy
10.
This type of Electromagnetic wave shows a break in bones.
a)
gamma ray
b)
x-ray
c)
brokenometer
d)
radio wave
11.
Which of the following electromagnetic waves is given off as heat?
a)
ultraviolet light
b)
x-rays
c)
gamma rays
d)
infrared rays
12.
Which is the correct order of waves of the electromagnetic spectrum, from lowest energy to highest energy?
a)
radio waves, microwaves, infrared waves, visible light, ultraviolet light, x-rays, gamma rays
b)
gamma rays, x-rays, ultraviolet light, visible light, infrared light, microwaves, radio waves
c)
radio waves, gamma rays, x-rays, visible light, microwaves, ultraviolet light, infrared waves
13.
A wave with a large wavelength will have a ______ frequency and _____ energy
a)
high, low
b)
high, high
c)
low, high
d)
low, low
14.
Cancer can be treated with_______________waves.
a)
Penicillin
b)
Radio
c)
Infrared
d)
Gamma
15.
Which of the following does NOT belong in the electromagnetic spectrum:
a)
X-ray
b)
sound wave
c)
ultra violet rays
d)
microwaves
16.
Which waves are the type that can give us suntans and sunburns?
a)
Infrared radiation
b)
Ultraviolet radiation
c)
Radio waves
d)
X-rays
17.
What color (of visible light) has the highest frequency and the shortest wavelength
a)
Violet
b)
Black
c)
White
d)
Green
18.
Which has the SHORTEST wavelength and, therefore, the highest frequency/most energy
a)
Radio waves
b)
Ultraviolet Rays
c)
Gamma Rays
d)
X-rays
19.
Which part of the electromagnetic spectrum has high enough energy to cause damage to eyes and skin, and sometimes even skin cancer?
a)
Infrared Rays
b)
Radio Waves
c)
Microwaves
d)
Ultraviolet Rays
20.
Which of the following electromagnetic waves has the highest energy?
a)
radio waves
b)
microwaves
c)
infrared light
d)
visible light
21.
The acronym (letters) used to remember visible light is____________
a)
KTPERRY
b)
ROYGBIV
c)
DOGPOUND
d)
ROMERO
22.
_____________________light is the only type of EM wave detected by the human eye.
a)
Red
b)
Gamma
c)
Microwave
d)
Visible
23.
Which electromagnetic wave has the longest wave length?
a)
microwaves
b)
Infrared waves
c)
Radio waves
d)
X-Rays
24.
Which type of electromagnetic wave is observed in the remote control that we use to change the station on our televisions?
a)
Radio waves
b)
Infrared waves
c)
X-rays
d)
Micro Waves
25.
Which of the following colors of visible light has a longer wavelength than Red?
a)
Blue
b)
Orange
c)
Indigo
d)
Its a trick question because red has the longest wavelength of the visible spectrum
26.
ultraviolet, x-rays, gamma rays are dangerous due to their
a)
low frequency
b)
high frequency
c)
photons
d)
long wavelength
27.
This categorizes em waves according to their frequency
a)
light chart
b)
electromagnetic spectrum
c)
circuit
d)
magnetic force
28.
Which type of visible light has the highest energy?
a)
Red
b)
Yellow
c)
Green
d)
Violet
29.
The electromagnetic energy (EM energy) that comes from the sun...
a)
has only visible light.
b)
has only visible and UV light.
c)
has all forms of EM energy from radio to gamma.
d)
has only infrared and visible energy.
30.
Infrared energy is also known as...
a)
death ray energy.
b)
visible light.
c)
albedo.
d)
heat.
31.
The type of EM wave that is used to cook food. It has a higher frequency than radio waves.
a)
radio
b)
microwave
c)
gamma
d)
visible light
32.
This color has the shortest wavelength
a)
Indigo
b)
red
c)
Yellow
d)
violet
33.
Which is true of a green grape?
a)
It absorbs green light.
b)
It absorbs white light.
c)
It reflects green light.
d)
It reflects white light.
34.
Light is a part of what spectrum?
a)
hydroelectric
b)
Solarpower
c)
electromagnetic
d)
Censa
35.
What happens when a light wave strikes an object and bounces off?
a)
Refraction
b)
Retirement
c)
Reflection
d)
Resonance
36.
What do all waves have in common?
a)
nothing
b)
they carry energy
c)
they absorb light
d)
you can see them
37.
How does light travel from a source?
a)
Around corners
b)
In circles
c)
Very slowly
d)
In a straight line
38.
What is this called?
a)
reflection
b)
bending
c)
refraction
d)
45 degree angle
39.
What is the left one called?
a)
refraction
b)
reflection
c)
reconstroction
d)
retraction
40.
What separates white light into different colors?
a)
transmission
b)
absorption
c)
scattering
d)
refraction
41.
What is line "EO" called if "O" is the point of the ray meets the mirror?
a)
normal
b)
medium
c)
mean
d)
equal
42.
What does incidence angle equal?
a)
reflection angle
b)
∠C
c)
∠D
d)
all of these
43.
Which statement is true?
a)
incidence angle is 10 degree
b)
incidence angle is 80 degree
c)
reflection angle is 10 degree
d)
reflection angle is 90 degree
44.
Why can you see most objects?
a)
Light reflects off them
b)
Light is absorbed by them
c)
Light is bent by the object
d)
Light is scattered from the surface of the object
45.
We see a green shamrock as being green because:
a)
All of the colors are absorbed except for green.
b)
All of the colors are being reflected except for green.
46.
A laser beam is reflected off a plane mirror, as shown below. What must be the measure of the angle of incidence of the beam?
a)
0 degrees
b)
14 degrees
c)
28 degrees
d)
56 degrees
47.
When light bends it is ______
a)
Reflection
b)
Absorption
c)
refraction
d)
optical density
48.
When light bounces back it is _____
a)
Reflected
b)
Refracted
c)
Absorbed
d)
Optical Density
49.
Refract or Reflect?
a)
Refract
b)
Reflect
50.
Refract or Reflect?
a)
Refract
b)
Reflect
51.
Refract or Reflect?
a)
Refract
b)
Reflect
52.
Refract or Reflect?
a)
Refract
b)
Reflect
53.
Refract or Reflect?
a)
Refract
b)
Reflect
54.
Does the rose reflect or absorb red?
a)
Reflect
b)
Absorb
55.
Does the frog reflect or absorb green?
a)
Reflect
b)
Absorb
56.
Does the scarf reflect or absorb yellow?
a)
Reflect
b)
Absorb
57.
Absorb or Reflect all colors?
a)
Absorb
b)
Reflect
58.
Absorb or Reflect all colors?
a)
Absorb
b)
Reflect
59.
Absorb or Reflect all colors?
a)
Absorb
b)
Reflect
60.
Absorb or Reflect all colors?
a)
Absorb
b)
Reflect
61.
According to the Law of reflection, a light ray striking a mirror
a)
continues moving through the mirror in the same direction
b)
moves into the mirror at a slightly different angle
c)
bounces off the mirror toward the direction it came from
d)
bounces off the mirror at the same angle it hits.
62.
What is this an image of?
a)
The law of thermodynamics
b)
The law of reflection
c)
The law of absorption
63.
Light travels at a speed of 300,000 km/s in outer space but can slow in different materials like glass or water.
a)
True
b)
False
64.
What does it mean to refract? (refraction)
a)
bounce off
b)
to bend
c)
curve outward
65.
Swimming pools and the ocean look shallower than they really are due to:
a)
reflection
b)
dispersion
c)
refraction
d)
total internal reflection
66.
Smooth surface that reflects an image of what is in front of it.
a)
relfection
b)
mirror
c)
lens
d)
refraction
67.
The illustration shows a light ray striking an object.
In the illustration, the light ray striking the object is-
In the illustration, the light ray striking the object is-
a)
absorbed
b)
stopped
c)
reflected
d)
refracted
68.
a)
Reflection
b)
Refraction
69.
a)
Reflection
b)
Refraction
100 %
