Uses of EM Lesson Checkpoint

Which of these waves has the highest frequency?

• Gamma

• Radio

• Ultraviolet

• Microwave

Fill in the gap:

Radio waves, ____________, infrared, visible light, ultraviolet, x-rays, gamma

Which of the following are not uses of x-rays? (choose two)

• Airport scanners

• Satellite communication

• Medical imaging

• Detecting forged notes

Which of the listed waves has the longest wavelength?

• infrared

• radio waves

• ultraviolet

• x-rays

Which two of these waves can be used for cooking?

• microwaves

• infrared

• visible light

• ultraviolet

Microwaves are used to cook food. The energy from the microwaves are absorbed by _____ molecules in the food.

Waves transfer ________ and _________.

• matter and energy

• energy and information

• matter and information

What type of waves are EM waves?

• Transverse

• Longitudinal

Waves do not transfer ________

• energy

• information

• matter

Fill in the blank:

gamma rays, x-rays, ___________, visible light, infrared, microwaves, radio waves