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EM Spectrum

Total questions: 18

Worksheet time: 14mins

Name
Class
Date
1.

Which EM waves have the longest wavelength?

a)

radio

b)

x-rays

c)

ultraviolet

d)

gamma rays

2.

Which EM waves have the shortest wavelength?

a)

radio

b)

x-rays

c)

ultraviolet

d)

gamma rays

3.

Which EM waves are have a SHORTER wavelength than visible?

a)

radio

b)

none

c)

infrared

d)

x-rays

4.

Which EM waves are have the highest energy & are the most dangerous?

a)

radio

b)

gamma rays

c)

infrared

d)

x-rays

5.

Which color waves have the lowest frequency?

a)

red

b)

yellow

c)

green

d)

violet

6.

Which wave has the highest frequency?

a)

A

b)

B

c)

C

d)

None (same frequency)

7.

As the wavelength of an electromagnetic wave gets LONGER, the frequency gets ____________.

a)

Lower

b)

Higher

c)

does not change

d)

doubles

8.

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

9.
These waves from the sun cause sunburn.
a)
Gamma
b)
Microwaves
c)
Radio
d)
Ultraviolet
10.

What part of the electromagnetic spectrum can be seen by humans?

a)

Visible Light

b)

Microwaves

c)

Ultraviolet Waves

d)

Infrared Waves

11.
The colors of our rainbow (ROY G BIV) combine to form visible light we see as the color
a)
blue
b)
black
c)
white
d)
yellow
12.
What are materials that lets some light through?
a)
Transparent
b)
Translucent
c)
Opaque
13.
What are materials that let's all light through?
a)
Transparent
b)
Translucent
c)
Opaque 
14.
What are materials that doesn't let any light through?
a)
Opaque
b)
Transparent 
c)
Translucent
15.

If the wavelength of an electromagnetic wave is increasing, what is true about the energy?

a)

Energy is increasing

b)

Energy is decreasing

c)

Energy is not dependent on wavelength.

d)

energy is cancelled out

16.

The type of EM wave that is used to cook food. It has a higher frequency (and shorter wavelength) than radio waves.

a)

radio

b)

microwave

c)

gamma

d)

visible light

17.
Which type of visible light has the highest energy?
a)
Red
b)
Yellow
c)
Green
d)
Violet
18.

Radio waves have?

a)

Most energy

b)

least energy

c)

the same as all waves