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Waves and Electromagnetic Spectrum Review

Total questions: 45

Worksheet time: 29mins

Name
Class
Date
1.

Aria, Samuel, and Ethan are studying for their physics exam. They are discussing how the energy of electromagnetic waves changes as you move from radio waves, which are used in their car radios, to gamma rays, which are used in cancer treatment. How does this energy change?

a)

decreases

b)

increases

2.
Disturbances that transfer energy from one point to another are called
a)
bolts
b)
mediums
c)
thunder
d)
waves
3.

Waves are...

a)

Made up models and don't exist in real life

b)

Never transverse

c)

Fun ways to greet your friends

d)

Energy being transferred from place to place

4.

Electromagnetic waves can transfer energy through a vacuum.

a)

True

b)

False

5.

Electromagnetic waves can travel through a medium

a)

False, they are only able to travel through a vacuum

b)

True, they can travel through a medium

c)

True they can travel through a medium or a vacuum

d)

False, they do not require a medium

6.

How are electromagnetic waves organized on the electromagnetic spectrum?

a)

By amplitude

b)

By wavelength

c)

By frequency

d)

By speed

7.

What is the relationship between frequency and energy in the electromagnetic spectrum?

a)

Higher frequency means lower energy

b)

Higher frequency means higher energy

c)

Frequency and energy are unrelated

d)

Lower frequency means higher energy

8.

Which of the following is NOT an electromagnetic wave?

a)

Ultraviolet

b)

X-rays

c)

Sound

d)

Radio

9.

Which of the following travels through the vacuum of space?

a)

Mechanical waves

b)

Electromagnetic waves

c)

Seismic waves

d)

Sound waves

10.

What is the lowest frequency color of visible light?

a)

Blue

b)

Green

c)

Red

d)

Violet

11.

What is a characteristic of radio waves?

a)

Shorter wavelengths than microwaves

b)

Higher energy than microwaves

c)

Longest wavelength

d)

Cannot be felt

12.

Which type of wave is used in RADAR?

a)

Radio waves

b)

Microwaves

c)

Infrared light

d)

Visible light

13.

What is a common use of x-rays?

a)

Treating infections

b)

Imaging of bones

c)

Cooking food

d)

Generating heat

14.

What is a source of gamma rays?

a)

The ocean

b)

Stars and some radioactive materials

c)

Plants

d)

The atmosphere

15.

What can gamma rays penetrate?

a)

Only soft tissues

b)

All human tissues

c)

Only hard tissues

d)

Only liquids

16.

Which type of light is used in animal vision, such as in bees?

a)

Infrared light

b)

Ultraviolet light

c)

X-rays

d)

Gamma rays

17.

What is the energy level of gamma rays compared to other rays?

a)

Lowest

b)

Moderate

c)

Highest

d)

Same as x-rays

18.

True or false: as you move along the spectrum, left to right, the wavelengths decrease in size (get smaller)

a)

true

b)

false

19.
A wave with a large wavelength will have a ______ frequency and _____ energy
a)
high, low
b)
high, high
c)
low, high
d)
low, low
20.

Which has the LONGEST wavelength and, therefore, the lowest frequency/energy

a)

Gamma Rays

b)

Radio Waves

c)

Visible Light

d)

Infrared rays

21.

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

a)

Radio waves

b)

Ultraviolet Rays

c)

Gamma Rays

d)

X-rays

22.
Which section of the spectrum is the ONLY one we can see?
a)
X-rays
b)
Visible Light
c)
Gamma Rays
d)
Ultraviolet Rays
23.

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

24.
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 
25.

Which of the following electromagnetic waves has the lowest energy?

a)

gamma ray

b)

infrared wave

c)

visible light wave

d)

microwave

26.
As the frequency of an electromagnetic wave increases, the amount of energy in that wave...
a)
increases.
b)
decreases.
c)
stays the same.
27.

Which color has the highest frequency?

a)

red

b)

orange

c)

green

d)

blue

28.

Which color has the least amount of energy?

a)

red

b)

orange

c)

green

d)

blue

29.
High frequency waves have _________ wavelengths.
a)
varying
b)
long
c)
the same
d)
short
30.
All electromagnetic waves have the same...
a)
frequency
b)
speed
c)
wavelength
d)
energy
31.
EM waves ________ a medium.
a)
require
b)
don't require
c)
can have
d)
sometimes have
32.
This wave also means "below red."
a)
microwaves
b)
infrared
c)
gamma ray
d)
X-Ray
33.
This wave has the second highest frequency on the spectrum. 
a)
microwaves
b)
visible light
c)
x-rays
d)
gamma ray
34.
All electromagnetic waves have _________ wavelengths and ________ frequencies.
a)
different, similar
b)
different, different
c)
similar, similar
d)
similar, different
35.

This type of electromagnetic wave is used to treat cancer...

a)

gamma ray

b)

ultra violet

c)

radio

36.

This everyday object emits microwaves...

a)

cell phone

b)

TV

c)

radio waves

37.

This type of wave is used by snakes to find their food...

a)

gamma ray

b)

radio

c)

infrared waves

38.

Sunburns are a result of this type of electromagnetic wave...

a)

ultraviolet

b)

microwaves

c)

infrared

39.

Which of the following correctly shows the acronym used to remember the order of colors in the visible spectrum?

a)

BOY G. RIV

b)

ROY B. GVI

c)

ROY G. BIV

40.

Which of the following statements is TRUE?

a)

Visible light is a tiny part of the electromagnetic spectrum.

b)

Humans can see most of the waves on the electromagnetic spectrum.

c)

Ultraviolet has less energy than visible light.

41.
Which wave in the diagram has the greatest wavelength?
a)
1
b)
2
c)
3
d)
4
42.

Reorder the following from highest frequency to lowest frequency.

(Left = Highest frequency, Right = Lowest frequency)

a)

b)

c)

1)
2)
3)
43.
High frequency waves have _________ wavelengths.
a)
varying
b)
long
c)
the same
d)
short
44.

True or False: Electromagnetic waves can travel through space (Vaccum)

a)

True

b)

False

45.
What is the number of waves that pass a point in one second?
a)
Amplitude
b)
Frequency
c)
Period
d)
Wavelength

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