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Worksheets

EM Spectrum

Total questions: 25

Worksheet time: 13mins

Name
Class
Date
1.

What type of electromagnetic wave has a higher frequency than visible light and a larger wavelength than x-rays?

a)

Infrared

b)

Gamma

c)

visible

d)

Ultraviolet

2.

Indicate the electromagnetic waves that are longer than Visible light.

a)

Ultraviolet

b)

Infrared

c)

X ray

d)

Microwaves

3.

What type of wave has the longest wavelength and the lowest frequency on the electromagnetic spectrum?

a)

Radio

b)

Micro

c)

Gamma

d)

X ray

4.

In the visible light waves, what color has the highest frequency electromagnetic waves?

a)

Red

b)

Violet

c)

Green

d)

Yellow

5.

Which electromagnetic waves are useful for Television?

a)

Gamma

b)

x ray

c)

radio

d)

microwave

6.

The medical profession uses _______ to sterilize medical equipment - just like the google cabinet in the science classroom.

a)

Infrared

b)

x ray

c)

Gamma

d)

Ultraviolet

7.

Heat seeking missiles use _____________ electromagnetic technology.

a)

Gamma

b)

X ray

c)

Microwave

d)

Infrared

8.

________________ have the highest energy and shortest wavelength of all electromagnetic waves.

a)

Gamma

b)

X Ray

c)

Radio

d)

Microwaves

9.

Electromagnet waves transfer ____________ without matter.

a)

information

b)

energy

c)

x rays

d)

medium

10.

As the wavelength of an electromagnetic wave gets LONGER, the frequency gets ____________. This is an inversely proportional relationship.

a)

Lower

b)

Higher

c)

does not change

d)

doubles

11.

Which wavelengths of the EM spectrum are dangerous to life?

a)

radio, micro and gamma

b)

gamma, infrared, and UV

c)

Infrared, UV and X Rays

d)

UV, X rays and Gamma

12.

The lowest point on a wavelength is a(n) ____________.

a)

value

b)

trough

c)

crest

d)

medium

13.
These waves are used to send signals, including WiFi and text messages.
a)
Gamma
b)
Microwaves
c)
Radio
d)
Ultraviolet
14.
These high-energy waves are given off by radioactive materials.
a)
Gamma
b)
Microwaves
c)
Radio
d)
Ultraviolet
15.
These waves make water molecules vibrate and warm up.
a)
Gamma
b)
Microwaves
c)
Radio
d)
Ultraviolet
16.
These waves from the sun cause sunburn.
a)
Gamma
b)
Microwaves
c)
Radio
d)
Ultraviolet
17.
Increasing the amplitude of a wave, _________ the wave's energy.
a)
increases
b)
decreases
c)
does not change
18.
The energy of waves _______ as the wavelength gets shorter.
a)
increases
b)
decreases
c)
stays the same
19.

A wave with a long wavelength will have...

a)

Low Frequency & Low Energy

b)

High Frequency & High Energy

c)

High Frequency & Low Energy

d)

Low Frequency & High Energy

20.

How are electromagnetic waves different from other waves?

a)

They have short wavelengths

b)

they transmit energy instead of matter

c)

they can travel through empty space

d)

they can change direction by reflection

21.

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

a)

Ultraviolet rays

b)

Infrared Rays

c)

Microwaves

22.

Which section of the electromagnetic spectrum is the ONLY part humans can see?

a)

X-Rays

b)

Gamma Rays

c)

Visible Light

d)

Ultraviolet Rays

23.

Which electromagnetic waves are used by doctors to detect broken bones inside your body?

a)

X-Rays

b)

Gamma Rays

c)

Ultraviolet Rays

d)

Infrared Rays

24.

Which has the SHORTEST wavelength and therefore the highest frequency/most energy? Hint: These waves are also used in cancer treatments.

a)

Gamma Rays

b)

Radio Waves

c)

Ultraviolet Rays

d)

X-rays

25.
Light is a form of 
a)
energy
b)
radiation
c)
reflection