Radio
Microwave
Infrared
Visible
Ultraviolet
100

1. Which of the following is TRUE about electromagnetic waves?
A. They need air to travel.
B. They can only travel through solids.
C. They can travel through empty space.
D. They are slower than sound waves.

C. They can travel through empty space.

100

2. What are electromagnetic waves made of?
A. Water and air
B. Sound and heat
C. Electric and magnetic fields
D. Atoms and molecules

C. Electric and magnetic fields

100

Which electromagnetic wave is responsible for sunburn?

A. Infrared

B. Visible light

C. Ultraviolet 

D. Gamma rays

C. Ultraviolet

100

What part of the electromagnetic spectrum can be seen by the human eye?

A. Infrared

B. Visible light 

C. Ultraviolet

D. X-ray

B. Visible Light

100

Which electromagnetic wave is commonly used in microwave ovens and satellite communication?

A. Radio waves

B. Microwaves 

C. Infrared

D. X-rays

B. MICROWAVES

200

Which of the following waves has the longest wavelength?

A. Gamma rays

B. Ultraviolet

C. X-rays

D. Radio waves 

D. Radio Waves

200

Which type of electromagnetic wave is used to see bones inside the human body?

A. Ultraviolet

B. Infrared

C. X-rays 

D. Microwaves

C. X-rays

200

Why can electromagnetic waves travel through space, unlike sound waves?

A. They are stronger.

B. They don’t lose energy.

C. They don’t need a medium to travel. 

D. They are made of sound particles.

C. They don’t need a medium to travel.

200

Which electromagnetic wave has a frequency just lower than visible light?

A. Ultraviolet

B. Infrared 

C. Microwaves

D. X-rays

B. Infrared

200

Which electromagnetic wave has a frequency just lower than Infrared?

A. Ultraviolet

B. Infrared 

C. Microwaves

D. X-rays

C. Microwaves

300

What electromagnetic waves are used to examine the crystal structure of solids?

X-rays are used to examine the crystal structure of solids.

300

Which section of the electromagnetic spectrum is absorbed from sunlight by the ozone layer?

Ultraviolet rays are absorbed by the ozone layer.

300

Which one of following EM waves has the highest frequency?

a) ultraviolet
b) infrared
c) x-rays
d) gamma rays


D. Gamma rays

300

All types of electromagnetic wave travel at the ________ through a vacuum (space) or air

Same Speed

- Approximately 3.0 x 10^8 meters per second

300

_______ have the shortest wavelength

Gamma rays

400

A suntan is a protective mechanism against which type of radiation?

Ultraviolet

400

The waves that form the _______ are grouped in terms of their wavelength and their frequency

Electromagnetic Spectrum

400

_______ have the longest wavelength

Radio waves

400

When it come to its frequency, Radio waves have the _________

Lowest frequency

400

When it comes to its frequency, Gamma rays have the _________

Highest Frequency

500

Electromagnetic waves are ______ waves

Transverse

500

Electromagnetic waves are generated by ________ particles that are in the state of acceleration.

electrically charged

500

Enumerate the 7 types of Electromagnetic Waves from shortest to longest wavelength 

Gamma Rays

X-rays

Ultraviolet 

Visible or light waves

Infrared

Microwaves

Radio waves

500

Waves ______ when they bounce off a surface

Reflect

500

As the speed increases, the 

W________ I 

Wavelength increases

Note:  When a wave's speed increases, its wavelength also increases, provided the frequency remains constant.

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