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EM Waves Uses and Application

Total questions: 17

Worksheet time: 36mins

Name
Class
Date
1.
A wave with a large wavelength will have a ______ frequency and _____ energy
a)
high, low
b)
high, high
c)
low, high
d)
low, low
2.
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
3.
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 
4.
As the frequency of an electromagnetic wave increases, the amount of energy in that wave...
a)
increases.
b)
decreases.
c)
stays the same.
5.
What are electromagnetic waves?
a)
sound waves
b)
electric & magnetic fields (energy) that travel through empty space very quickly
c)
Someone's name
d)
things like longitudinal waves
6.
These waves are used to send signals, including WiFi and text messages.
a)
Gamma
b)
Microwaves
c)
Radio
d)
Ultraviolet
7.

Which color has the highest frequency?

a)

Blue

b)

Green

c)

Yellow

d)

Red

8.
Which electromagnetic waves are used in devices such as heat lamps & TV remote controls?
a)
ultraviolet rays
b)
microwaves
c)
infrared rays
9.
Which of the following lists the electromagnetic waves in order of decreasing frequency?
a)
X-rays, microwaves, infrared rays
b)
UV rays, visible light, x-rays
c)
infrared rays, microwaves, radio waves
10.

Can electromagnetic waves ever be dangerous to your health?

a)

Yes, and high frequency waves are the safest.

b)

Yes, and high frequency waves are the most dangerous.

c)

Yes, but frequency doesn't make a difference, only amplitude.

d)

No, electromagnetic waves are always safe.

11.

The Martian Radiation Experiment measures the amount of harmful radiation on the planet Mars. What two forms of electromagnetic radiation do you think this system uses?

a)

Visible light waves

b)

Infrared light waves

c)

Radio Waves

d)

Gamma ray waves

e)

Ultraviolet waves

12.

The Thermal Emission Imaging System takes images of Mars in order to identify the distribution of minerals on its surface. What two forms of electromagnetic radiation do you think this system uses?

a)

Visible light waves

b)

Infrared light waves

c)

Radio waves

d)

Gamma ray waves

e)

Ultraviolet Waves

13.

This type of radiation is used for audio communications.

a)

UV Light

b)

X -Rays

c)

Infrared Light

d)

Radio Waves

14.

Match the description (top) to the wave that causes its (bottom)

Warmth from fires

Microwaves

Causes sunburns

Infrared

Cell phone communication

Ultraviolet

15.

Which three electromagnetic waves does the Sun mostly give off?

a)

Radio

b)

Infrared

c)

Visible Light

d)

Ultraviolet

16.

Place the labels in order on the wave from highest frequency to lowest frequency. (sequence starting from the left is: bottom, top, bottom, top, bottom, top, bottom)

17.

Organize these options into the right categories

Categorize the following

Requires a medium

Transverse and Longitudinal

Sound

Medium and/or a Vacuum

Transverse only

Light

Transfer energy

MECHANICAL
ELECTROMAGNETIC
BOTH