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Electromagnetic Spectrum

Total questions: 15

Worksheet time: 15mins

Name
Class
Date
1.

Which electromagnetic waves have the highest frequencies and the shortest wavelengths?

a)

microwaves

b)

visible light

c)

gamma rays

d)

x-rays

2.

Which electromagnetic waves are used in ovens and cell phone communications?

a)

microwaves

b)

infrared rays

c)

gamma rays

d)

ultraviolet rays

3.

Which type of waves are used in broadcasting?

a)

infrared rays

b)

X-rays

c)

radio waves

d)

gamma rays

4.

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

5.

Electromagnetic waves that help your body produce vitamin D are called?

a)

Ultraviolet rays

b)

X-rays

c)

Radio waves

d)

Gamma rays

6.

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

a)

Ultraviolet Rays

b)

Radio Waves

c)

Gamma Rays

d)

X-Rays

7.

Which section of the spectrum is the ONLY one we can see?

a)

Ultraviolet Rays

b)

Gamma Rays

c)

X-Rays

d)

Visible Light

8.

As the frequency of an electromagnetic wave increases, the amount of energy in that wave...

a)

increases.

b)

stays the same.

c)

decreases.

9.

High frequency waves have _________ wavelengths.

a)

varying

b)

long

c)

the same

d)

short

10.

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

a)

Ultraviolet Rays

b)

Microwaves

c)

Infrared Rays

d)

Gamma Rays

11.

Which color has the longest wavelength and shortest frequency?

a)

Red

b)

Yellow

c)

Blue

d)

Violet

12.

The color of objects that we see is the color of the wavelength that is ___________ from its surface.

a)

refracted

b)

reflected

c)

absorbed

d)

dispersed

13.

____________ is when all light rays bounce off an object at the same angle.

a)

Reflection

b)

Dispersion

c)

Refraction

d)

Absorption

14.

A/an _________ material absorbs all of the light that strikes it.

a)

opaque

b)

transparent

c)

translucent

15.

__________ objects transmit light.

a)

Transparent

b)

Opaque

c)

Translucent