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EM waves

Total questions: 68

Worksheet time: 4hrs 15mins

Name
Class
Date
1.
What is a vacuum? 
a)
A space with only air in it
b)
A space with NO matter at all present
c)
A machine you use to do your chores
2.
Frequency is a measure of...
a)
length of the wave
b)
height of the wave
c)
number of waves a second
d)
number of waves an hour
3.
Wave with the longest wavelength
a)
microwave
b)
radio
c)
gamma
d)
visible light
4.
The EM wave with frequency higher than infrared and lower than UV.
a)
radio
b)
visible light
c)
xray
d)
gamma
5.
4 is 
a)
radio
b)
UV 
c)
Visible Light
d)
X-ray
6.
7 is 
a)
Radio
b)
UV
c)
Infrared
d)
Gamma
7.
When the wavelength increases the frequency will
a)
increase
b)
decrease
8.
EM waves  
a)
Must travel through a vacuum
b)
Can travel through a medium or a vacuum
c)
Are the same type of wave as mechanical waves
d)
Can only travel through a vacuum
9.
Visible light is 
a)
radiation
b)
light
c)
a way to transfer energy
d)
all of these
10.
All EM waves travel at  
a)
different speeds
b)
the speed of sound
c)
the speed of light
d)
the speed of a vacuum
11.
Predict which EM wave could cause more damage 
a)
Radio wave
b)
UV wave
c)
X-ray
d)
Gamma ray
12.
EM waves travel the speed of light which is..
a)
3000 miles/sec
b)
300,000 km/sec
c)
3000 miles/hour
d)
30 miles per hour
13.
Infrared rays are important for
a)
Warming the Earth
b)
Providing visible light for plants
c)
Taking X-rays
14.
EM waves have the same speed but different:
a)
frequency & medium 
b)
wavelength & frequency
c)
medium & wavelength
d)
color & medium
15.
You might see lights that give off Infrared radiation
a)
At AppleBee's warming your food
b)
In the super market  cooling the icecream
16.
Which of these lists the EM waves from Highest to lowest frequency?
a)
Radio -  Micro - Gamma - Visible light - UV - Xrays - Infrared - Xrays
b)
Radio - Micro - Infrared - Visible light - UV - X - Gamma waves
c)
Gamma - Xray - UV - Visible light - Infrared - Micro - radio
17.
Which has the LONGEST wavelength and, therefore, the lowest frequency/energy
a)
Gamma Rays
b)
Radio Waves
c)
Visible Light
d)
Infrared rays
18.
Which section of the spectrum is the ONLY one we can see?
a)
X-rays
b)
Visible Light
c)
Gamma Rays
d)
Ultraviolet Rays
19.
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
20.
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 a vacuum 
d)
They can change direction by reflection 
21.
Which color has the least amount of energy?
a)
red
b)
orange
c)
green
d)
blue
22.
High frequency waves have _________ wavelengths.
a)
varying
b)
long
c)
the same
d)
short
23.
All electromagnetic waves have the same...
a)
frequency
b)
speed
c)
wavelength
d)
energy
24.
Which waves are the type that can give us suntans and sunburns?
a)
Infrared radiation
b)
Ultraviolet radiation
c)
Radio waves
d)
X-rays
25.
Which waves are used to show heat loss with heat sensitive cameras?
a)
Infrared radiation
b)
ultraviolet radiation
c)
microwaves
d)
gamma rays
26.
In visible light, which color has the longest wavelength?
a)
Red
b)
Violet
c)
Yellow
d)
Green
27.
Which rays can be felt as heat?
a)
X-Rays
b)
Infrared Radiation
c)
Ultraviolet Radiation
d)
Microwaves
28.

________________ are waves used by cops to test the speed of your car with RADAR.

a)

Ultraviolet

b)

Infrared

c)

Radio

d)

Microwaves

29.
Cancer can be treated with_______________waves.
a)
Penicillin
b)
Radio
c)
Infrared
d)
Gamma
30.
Electromagnetic waves________________travel through space.
a)
Never
b)
Cannot
c)
Can
d)
Wish they could
31.
The acronym (letters) used to remember visible light is____________
a)
KTPERRY
b)
ROYGBIV
c)
DOGPOUND
d)
ROMERO
32.
_______ carry the greatest amount of energy. 
a)
x-rays
b)
gamma rays
c)
infrared rays
d)
visible light
33.
This type of Electromagnetic wave shows a break in bones.
a)
gamma ray
b)
x-ray
c)
brokenometer
d)
radio wave
34.
Select the correct order of waves on the Electromagnetic Spectrum
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
35.

Which electromagnetic wave is used to diagnose and treat cancer?

a)

Gamma rays

b)

Infrared rays

c)

Ultraviolet rays

d)

X-rays

36.

Which of the following best describes radio waves?

a)

used to identify heat signatures of people lost in the wilderness

b)

used to send communications, including video, to astronauts

c)

widely used in the cooking industry

d)

used in tanning beds

37.

Which of the following best describes infrared light?

a)

used to identify heat signatures of people lost in the wilderness

b)

used to send communications, including video, to astronauts

c)

widely used in the cooking industry

d)

used in tanning beds

38.

Which type of electromagnetic radiation is used extensively in communications?

a)

radio waves

b)

gamma rays

c)

infrared rays

d)

X-rays

39.

The complete range of electromagnetic waves placed in order of increasing is called the ______________.

a)

radar spectrum

b)

mechanical spectrum

c)

electromagnetic spectrum

d)

gamma spectrum

40.

Electromagnetic waves with the longest wavelengths and lowest frequencies are ________ waves.

a)

radio

b)

gamma

c)

micro

d)

X-ray

41.

__________ have shorter wavelengths and higher frequencies than radio waves do.

a)

Microwaves

b)

Ocean waves

c)

P-waves

d)

S-waves

42.

____________ are electromagnetic waves with wavelengths longer than those of microwaves.

a)

Radio waves

b)

Gamma rays

c)

X-rays

d)

Light waves

43.

Electromagnetic waves that you can see are called ________.

a)

electromagnetic spectrum

b)

visible light waves

c)

infrared rays

d)

UV light

44.

Electromagnetic waves with wavelengths just shorter than those of visible light are called ____________.

a)

gamma rays

b)

X-rays

c)

infrared

d)

ultraviolet rays

45.

Electromagnetic waves with wavelengths just shorter than those of ultraviolet rays are ________.

a)

X-rays

b)

gamma rays

c)

visible light

d)

microwaves

46.

An __________ wave is a transverse wave that involves the transfer of electric and magnetic energy.

a)

ocean

b)

electromagnetic

c)

mechanical

d)

longitudinal

47.

An electromagnetic wave travels at the speed of _______.

a)

sound

b)

light

48.

The energy that electromagnetic waves transfer through matter or space is called electromagnetic ________.

a)

heat

b)

light

c)

rays

d)

radiation

49.
Frequency is a measure of...
a)
length of the wave
b)
height of the wave
c)
number of waves a second
d)
number of waves an hour
50.

Electromagnetic waves...

a)

Must travel through a vacuum

b)

Can travel through a medium or a vacuum

c)

Are the same type of wave as mechanical waves

d)

Can only travel through a vacuum

51.

Which EM wave could cause most damage?

a)

Radio wave

b)

UV wave

c)

X-ray

d)

Gamma ray

52.
Which rays can be felt as heat?
a)
X-Rays
b)
Infrared Radiation
c)
Ultraviolet Radiation
d)
Microwaves
53.

What wave property is represented by the letter "A"?

a)

amplitude

b)

frequency

c)

trough

d)

wavelength

54.

The complete range of electromagnetic waves placed in order of increasing is called the ______________.

a)

radar spectrum

b)

mechanical spectrum

c)

electromagnetic spectrum

d)

gamma spectrum

55.

Electromagnetic waves with the longest wavelengths and lowest frequencies are ________ waves.

a)

radio

b)

gamma

c)

micro

d)

X-ray

56.

__________ have shorter wavelengths and higher frequencies than radio waves do.

a)

Microwaves

b)

Ocean waves

c)

P-waves

d)

S-waves

57.

____________ are electromagnetic waves with wavelengths longer than those of microwaves.

a)

Radio waves

b)

Gamma rays

c)

X-rays

d)

Light waves

58.

Electromagnetic waves that you can see are called ________.

a)

electromagnetic spectrum

b)

visible light waves

c)

infrared rays

d)

UV light

59.

Electromagnetic waves with wavelengths just shorter than those of visible light are called ____________.

a)

gamma rays

b)

X-rays

c)

infrared

d)

ultraviolet rays

60.

Electromagnetic waves with wavelengths just shorter than those of ultraviolet rays are ________.

a)

X-rays

b)

gamma rays

c)

visible light

d)

microwaves

61.

An __________ wave is a transverse wave that involves the transfer of electric and magnetic energy.

a)

ocean

b)

electromagnetic

c)

mechanical

d)

longitudinal

62.

An electromagnetic wave travels at the speed of _______.

a)

sound

b)

light

63.

The energy that electromagnetic waves transfer through matter or space is called electromagnetic ________.

a)

heat

b)

light

c)

rays

d)

radiation

64.
Frequency is a measure of...
a)
length of the wave
b)
height of the wave
c)
number of waves a second
d)
number of waves an hour
65.

Electromagnetic waves...

a)

Must travel through a vacuum

b)

Can travel through a medium or a vacuum

c)

Are the same type of wave as mechanical waves

d)

Can only travel through a vacuum

66.

Which EM wave could cause most damage?

a)

Radio wave

b)

UV wave

c)

X-ray

d)

Gamma ray

67.
Which rays can be felt as heat?
a)
X-Rays
b)
Infrared Radiation
c)
Ultraviolet Radiation
d)
Microwaves
68.

What wave property is represented by the letter "A"?

a)

amplitude

b)

frequency

c)

trough

d)

wavelength

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