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E.M. spectrum and light waves

Total questions: 100

Worksheet time: 33mins

Name
Class
Date
1.

Which electromagnetic waves have the highest frequencies and the shortest wavelengths?

a)

microwaves

b)

visible light

c)

gamma rays

d)

x-rays

2.

Which electromagnetic waves are used in ovens and cell phone communications?

a)

microwaves

b)

infrared rays

c)

gamma rays

d)

ultraviolet rays

3.

A wave with a large wavelength will have a ______ frequency and _____ energy

a)

high, low

b)

low, high

c)

high, high

d)

low, low

4.

Which type of waves are used in broadcasting?

a)

infrared rays

b)

X-rays

c)

radio waves

d)

gamma rays

5.

Select the correct order of waves on the EMS from the longest wavelength to the shortest wavelength

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

6.

Electromagnetic waves that help your body produce vitamin D are called?

a)

Ultraviolet rays

b)

X-rays

c)

Radio waves

d)

Gamma rays

7.

Which has the SHORTEST wavelength and, therefore, the highest frequency/most energy

a)

Ultraviolet Rays

b)

Radio Waves

c)

Gamma Rays

d)

X-Rays

8.

How are electromagnetic waves different from other waves?

a)

They have very short wavelengths

b)

They transmit energy instead of matter

c)

They can travel through empty space

d)

They can change direction by reflection

9.

Which section of the spectrum is the ONLY one we can see?

a)

Ultraviolet Rays

b)

Gamma Rays

c)

X-Rays

d)

Visible Light

10.

As the frequency of an electromagnetic wave increases, the amount of energy in that wave...

a)

increases.

b)

stays the same.

c)

decreases.

11.

High frequency waves have _________ wavelengths.

a)

varying

b)

long

c)

the same

d)

short

12.

How much of the electromagnetic spectrum is visible?

a)

All of it

b)

None

c)

Only a small part

d)

Most of it

13.

What are electromagnetic waves?

a)

sound waves

b)

electric & magnetic fields (energy) that travel through empty space very quickly

c)

ocean waves

d)

things like longitudinal waves

14.

Which electromagnetic waves are used in devices such as heat lamps & TV remote controls?

a)

Ultraviolet Rays

b)

Microwaves

c)

Infrared Rays

d)

Gamma Rays

15.

The electromagnetic spectrum includes the complete range of electromagnetic waves placed in order of:

a)

increasing amplitude

b)

increasing frequency

c)

increasing wavelength

16.

Match the following

a)

Radio waves

1.

Has the longest wavelengths and the lowest frequency

b)

Microwaves

2.

Used in cell phone communication and police radar systems

c)

Infrared rays

3.

It is used in thermal imaging

d)

UV rays

4.

Overexposure to this can result in sunburns and skin cancer

e)

Gamma Rays

5.

Has the highest energy of all electromagnetic radiation and is the most damaging to human tissue

17.

Radiant energy spreads out from its source in all directions.

a)

True

b)

False

18.

Both X-rays and gamma rays have higher frequencies than ultraviolet rays.

a)

True

b)

False

19.

Communicating with satellites is an application of gamma rays.

a)

True

b)

False

20.

Reorder the following according to the spectrum

a)

red

b)

orange

c)

yellow

d)

green

e)

blue

1)
2)
3)
4)
5)
21.

Reorder the following from shortest wavelength to the longest wavelength.

a)

gamma waves

b)

x-rays

c)

ultraviolet waves

d)

visible light

e)

infrared rays

1)
2)
3)
4)
5)
22.

Reorder the following from shortest wavelength to the longest wavelength.

a)

radio waves

b)

microwaves

c)

infrared

d)

x-rays

e)

gamma waves

1)
2)
3)
4)
5)
23.

The electromagnetic spectrum is a continuous range of ______ for electromagnetic radiation.

a)

light

b)

frequencies

c)

particles

d)

magnestism

24.

Which has more energy?

a)

radio/tv waves

b)

infrared

25.

Which has a higher frequency?

a)

visible light

b)

ultraviolet rays

26.

What is the difference between frequency and wavelength?

a)

The shorter wavelength, the less frequency.

b)

The longer the wavelength, the frequency is greater.

c)

The longer the wavelength, the frequency is less.

27.

Electromagnetic waves that you can see

a)

radio waves

b)

visible light

c)

x-rays

d)

ultraviolet rays

28.

Used for medical imaging to diagnose health issues in bones and teeth

a)

visible light

b)

ultraviolet rays

c)

x-rays

d)

gamma rays

29.

Reorder the following according to the spectrum

a)

yellow

b)

green

c)

blue

d)

indigo

e)

violet

1)
2)
3)
4)
5)
30.
What is a repeating pattern that can transfer energy?
a)
Motif
b)
Prism
c)
Radio
d)
Wave
31.
What is the distance from the peak of one wave to the next peak?
a)
Amplitude
b)
Frequency
c)
Period
d)
Wavelength
32.
What is the height of a wave from its resting point?
a)
Amplitude
b)
Frequency
c)
Period
d)
Wavelength
33.
What is the number of waves that pass a point in one second?
a)
Amplitude
b)
Frequency
c)
Period
d)
Wavelength
34.
These waves make water molecules vibrate and warm up.
a)
Gamma
b)
Microwaves
c)
Radio
d)
Ultraviolet
35.
These high-energy waves are given off by radioactive materials.
a)
Gamma
b)
Microwaves
c)
Radio
d)
Ultraviolet
36.
These waves are used to send signals, including WiFi and text messages.
a)
Gamma
b)
Microwaves
c)
Radio
d)
Ultraviolet
37.
These waves from the sun cause sunburn.
a)
Gamma
b)
Microwaves
c)
Radio
d)
Ultraviolet
38.
Increasing the amplitude of a wave, _________ the wave's energy.
a)
increases
b)
decreases
c)
does not change
39.
The energy of waves _______ as the wavelength gets shorter.
a)
increases
b)
decreases
c)
stays the same
40.
Which electromagnetic waves are used in ovens and cell phone communications?
a)
Infrared rays
b)
ultraviolet rays
c)
microwaves
41.
Which type of waves are used in broadcasting?
a)
radio waves
b)
infrared rays
c)
x-rays
42.
Electromagnetic waves that help your body produce vitamin D are called?
a)
ultraviolet rays
b)
x-rays
c)
gamma rays
43.
For waves in any medium, as the wavelength decreases, what happens to the frequency?
a)
It also decrease
b)
It stays the same
c)
It increases
44.
Which electromagnetic waves allow us to diagnose & treat cancer?
a)
Gamma rays
b)
X-rays
c)
Ultraviolet rays
45.
Which electromagnetic waves help doctors detect broken bones inside your body?
a)
gamma rays
b)
x-rays
c)
ultraviolet rays
46.

Which electromagnetic waves are used in devices such as heat lamps?

a)

ultraviolet rays

b)

microwaves

c)

infrared rays

47.
Radar uses which type of electromagnetic waves to detect objects & measure their distance and speed?
a)
microwaves
b)
infrared rays
c)
x-rays
48.
A wave with a large wavelength will have a ______ frequency and _____ energy
a)
high, low
b)
high, high
c)
low, high
d)
low, low
49.
Which has the LONGEST wavelength and, therefore, the lowest frequency/energy
a)
Gamma Rays
b)
Radio Waves
c)
Visible Light
d)
Infrared rays
50.
Which has the SHORTEST wavelength and, therefore, the highest frequency/most energy
a)
Radio waves
b)
Ultraviolet Rays
c)
Gamma Rays
d)
X-rays
51.
Which section of the spectrum is the ONLY one we can see?
a)
X-rays
b)
Visible Light
c)
Gamma Rays
d)
Ultraviolet Rays
52.
How are electromagnetic waves different from other waves? 
a)
They have very short wavelengths 
b)
They transmit energy instead of matter 
c)
They can travel through empty space
d)
They can change direction by reflection 
53.
The distance between two crests or two troughs of a wave is called:
a)
frequency
b)
amplitud
c)
wavelength
d)
hertz
54.
The height of the wave from the rest position is known as the _____________.
a)
amplitude
b)
crest
c)
trough
d)
wavelength
55.

This type of electromagnetic wave can be used to see inside luggage at an airport or in hospitals to see your bones.

a)

Gamma Rays

b)

Visible Light

c)

X Rays

d)

Infrared Rays

56.

Which of the following is not an example of a mechanical wave?

a)

Light wave

b)

Sound wave

c)

Water wave

d)

Seismic wave

57.

What type of wave is a light wave?

a)

A sound wave

b)

A seismic wave

c)

A electromagnetic wave

d)

A mechanical wave

58.

Why is a light wave not considered a mechanical wave?

a)

A light wave is visible to humans.

b)

A light wave moves faster than most waves.

c)

A light wave does not have a wavelength.

d)

A light wave travels through the vacuum of space.

59.

How is an electromagnetic wave different from a mechanical wave?

a)

An electromagnetic wave travels slower than a mechanical wave.

b)

An electromagnetic wave has a larger amplitude than a mechanical wave.

c)

An electromagnetic wave can travel through a vacuum, but a mechanical wave cannot.

d)

An electromagnetic wave has no wavelength, but a mechanical wave has a wavelength.

60.

Which of the following are not a part of the Electromagnetic Spectrum?

a)

Gamma Rays

b)

Radio waves

c)

Magnetic waves

d)

x-rays

61.

Gamma Rays are

a)

High energy

b)

Low energy

c)

Medium energy

d)

Just right

62.

A light wave is considered to be an electromagnetic wave. But what other kind of wave is it?

a)

Surface wave

b)

Longitudinal wave

c)

Transverse wave

63.

Why does this car appears red under a white light?

a)

The car is absorbing the red light and reflecting the blue and green.

b)

The car is reflecting only the red light while absorbing the blue and green.

c)

The car is absorbing the red and green light while reflecting the blue.

d)

The car is absorbing the red, blue and green, but our eyes can only see the red.

64.

Match the following

a)
1.

Reflect

b)
2.

Absorb

c)
3.

Transmit

65.
Which type of electromagnetic radiation produces the heat we can feel coming from the toaster?
a)
Radio waves
b)
Infrared waves
c)
X-rays
d)
Gamma rays
66.

Which type of light wave can cause sunburns or even skin cancer? 

a)

x-ray

b)

visible

c)

ultraviolet

67.

Which type of light wave contains powerful energy made in nuclear explosions and stars?

a)

gamma

b)

x-ray

c)

visible

68.

True or False:

Light travels in a straight line.

a)

True

b)

False

69.

What does the term reflection mean?

a)

When an object takes in the light

b)

When light passes through an object

c)

When Light bounces off an object

70.

True or False:

Light can travel through matter (gas, liquid, solid) and empty space. 

a)

True

b)

False

71.

DROP DOWN: The skin taking in the sun is an example of

(a)  

Choose from the below words
Absorption
Transmission
Reflection
72.

Name the type of light wave we can see. 

a)

visible

b)

gamma

c)

ultraviolet

73.

​ (a)   is a type of wave that carries energy from one place to another even through an empty space.

74.

Which letter is an example of reflection?

a)

A

b)

B

c)

C

75.
What is this called?
a)
refraction
b)
reflection
c)
reconstroction
d)
retraction
76.
A cut piece of clear glass or plastic in the form of a triangle or other geometric shape.
a)
Person
b)
Prison
c)
Prism
d)
Preacher
77.
Can travel through matter (gas, liquid, solid) but not space. 
a)
light
b)
sound
78.
Can travel through matter (gas, liquid, solid) and empty space. 
a)
sound
b)
light
79.
What does refract mean?
a)
To shrink
b)
To bend
c)
To widen
d)
To enlarge
80.

The bending of waves around a barrier.

a)

refraction

b)

diffraction

c)

resonance

81.

What is happening to the RED light?

a)

reflected

b)

absorbed

c)

refracted

82.

What is happening to every color BUT RED?

a)

reflected

b)

absorbed

c)

refracted

83.
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
84.
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
85.
Refraction is the bending of a wave disturbance as it passes from one _________ into another.
a)
glass
b)
medium
c)
area
d)
boundary
86.

Why do we see grass as green?

a)

Green light is absorbed

b)

Green light is reflected

87.

What would you call this?

a)

Bounce back

b)

Reflection

c)

Diffraction

d)

Refraction

88.
The point where the rays meet is known as....
a)
Fire
b)
the focal point
c)
refraction
d)
Plane of the lens
89.
Which describes a convex lens?
a)
triangular in shape
b)
more transparent in the middle
c)
thicker on the edges than in the middle
d)
thicker in the middle than on the edges
90.
Is a convex lens thicker or thinner in the middle?
a)
Thicker 
b)
Thinner 
91.
Is a concave lens thicker or thinner in the middle? 
a)
Thicker 
b)
Thinner 
92.
What does the word "diverging" mean?
a)
to spread apart
b)
to come together
c)
parallel
d)
perpendicular
93.
What does the word "converging" mean?
a)
to separate
b)
to come together
c)
parallel 
d)
perpendicular
94.
A converging lens is also known as a ____ lens.
a)
convex
b)
concave
c)
double
d)
refracted
95.

How does a concave lens differ from a convex lens?

a)

A convex lens is another way to describe a plane mirror; a concave lens is curved

b)

A concave lens is curved inward on both sides; a convex lens is on only one side

c)

A convex lens has a thick center and thin edges, a concave lens has a thin center and thicker edges

d)

A convex lens has a thin center and thick edges. a concave lens has a thick center and thinner edges

96.

What colors are being reflected?

a)

all of the colors in the color spectrum

b)

none of the colors in the color spectrum

97.
a)

reflection

b)

refraction

98.

A black shirt capturing light waves and making a person feel hot in the summer is an example of:

a)

Reflection

b)

Refraction

c)

Absorption

99.

If you see the color orange, this means:

a)

The colors red, yellow, green, blue, indigo, and violet have been absorbed and orange has been refracted.

b)

The colors red, yellow, green, blue, indigo, and violet have been absorbed and orange has been reflected.

c)

The color orange has been absorbed and red, yellow, green, blue, indigo, and violet are refracted.

d)

The color orange has been absorbed and red, yellow, green, blue, indigo, and violet are reflected.

100.

A white object

a)

Reflects all colors

b)

Absorbs all colors

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